Second part of fix for [#31157]: Some (actually, 172) operators have no tooltip.

About 30 undocumented ops remaining...

13 files changed, 68 insertions, 5 deletions

diff --git a/source/blender/editors/animation/keyframing.c b/source/blender/editors/animation/keyframing.c
index 281a3e110bb..bcd0feb36cf 100644
--- a/source/blender/editors/animation/keyframing.c
+++ b/source/blender/editors/animation/keyframing.c
@@ -1479,7 +1479,7 @@ void ANIM_OT_keyframe_insert_button(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Insert Keyframe (Buttons)";
 	ot->idname = "ANIM_OT_keyframe_insert_button";
-	ot->description = "Insert a keyframe keyframe for current UI-active property";
+	ot->description = "Insert a keyframe for current UI-active property";
 	
 	/* callbacks */
 	ot->exec = insert_key_button_exec; 
diff --git a/source/blender/editors/mesh/editmesh_tools.c b/source/blender/editors/mesh/editmesh_tools.c
index 0f300cc375e..9c7ef756147 100644
--- a/source/blender/editors/mesh/editmesh_tools.c
+++ b/source/blender/editors/mesh/editmesh_tools.c
@@ -1251,6 +1251,7 @@ void MESH_OT_edge_split(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Edge Split";
 	ot->idname = "MESH_OT_edge_split";
+	ot->description = "Split selected edges so that each neighbor face gets its own copy";
 	
 	/* api callbacks */
 	ot->exec = edbm_edge_split_exec;
@@ -3060,6 +3061,7 @@ void MESH_OT_beautify_fill(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Beautify Fill";
 	ot->idname = "MESH_OT_beautify_fill";
+	ot->description = "Rearrange some faces to try to get less degenerated geometry";
 
 	/* api callbacks */
 	ot->exec = edbm_beautify_fill_exec;
diff --git a/source/blender/editors/object/object_edit.c b/source/blender/editors/object/object_edit.c
index fa8ed0fd94d..d6d7342f900 100644
--- a/source/blender/editors/object/object_edit.c
+++ b/source/blender/editors/object/object_edit.c
@@ -1703,6 +1703,7 @@ void OBJECT_OT_game_property_copy(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Copy Game Property";
 	ot->idname = "OBJECT_OT_game_property_copy";
+	ot->description = "Copy/merge/replace a game property from active object to all selected objects";
 
 	/* api callbacks */
 	ot->exec = game_property_copy_exec;
@@ -1733,6 +1734,7 @@ void OBJECT_OT_game_property_clear(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Clear Game Property";
 	ot->idname = "OBJECT_OT_game_property_clear";
+	ot->description = "Remove all game properties from all selected objects";
 
 	/* api callbacks */
 	ot->exec = game_property_clear_exec;
diff --git a/source/blender/editors/object/object_group.c b/source/blender/editors/object/object_group.c
index dd6c08a2247..b47591dddee 100644
--- a/source/blender/editors/object/object_group.c
+++ b/source/blender/editors/object/object_group.c
@@ -327,6 +327,7 @@ void OBJECT_OT_group_remove(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Remove Group";
 	ot->idname = "OBJECT_OT_group_remove";
+	ot->description = "Remove the active object from this group";
 	
 	/* api callbacks */
 	ot->exec = group_remove_exec;
diff --git a/source/blender/editors/object/object_shapekey.c b/source/blender/editors/object/object_shapekey.c
index df73e435737..19864ed58cf 100644
--- a/source/blender/editors/object/object_shapekey.c
+++ b/source/blender/editors/object/object_shapekey.c
@@ -403,6 +403,7 @@ void OBJECT_OT_shape_key_mirror(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Mirror Shape Key";
 	ot->idname = "OBJECT_OT_shape_key_mirror";
+	ot->description = "Mirror the current shape key along the local X axis";
 
 	/* api callbacks */
 	ot->poll = shape_key_mode_poll;
@@ -474,6 +475,7 @@ void OBJECT_OT_shape_key_move(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Move Shape Key";
 	ot->idname = "OBJECT_OT_shape_key_move";
+	ot->description = "Move the active shape key up/down in the list";
 
 	/* api callbacks */
 	ot->poll = shape_key_mode_poll;
diff --git a/source/blender/editors/object/object_vgroup.c b/source/blender/editors/object/object_vgroup.c
index acafe62150f..0c0611d3d33 100644
--- a/source/blender/editors/object/object_vgroup.c
+++ b/source/blender/editors/object/object_vgroup.c
@@ -2122,6 +2122,7 @@ void OBJECT_OT_vertex_group_add(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Add Vertex Group";
 	ot->idname = "OBJECT_OT_vertex_group_add";
+	ot->description = "Add a new vertex group to the active object";
 	
 	/* api callbacks */
 	ot->poll = vertex_group_poll;
@@ -2152,6 +2153,7 @@ void OBJECT_OT_vertex_group_remove(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Remove Vertex Group";
 	ot->idname = "OBJECT_OT_vertex_group_remove";
+	ot->description = "Delete the active vertex group";
 	
 	/* api callbacks */
 	ot->poll = vertex_group_poll;
@@ -2187,6 +2189,7 @@ void OBJECT_OT_vertex_group_assign(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Assign Vertex Group";
 	ot->idname = "OBJECT_OT_vertex_group_assign";
+	ot->description = "Assign the selected vertices to the current (or a new) vertex group";
 	
 	/* api callbacks */
 	ot->poll = vertex_group_poll_edit_or_wpaint_vert_select;
@@ -2229,6 +2232,7 @@ void OBJECT_OT_vertex_group_remove_from(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Remove from Vertex Group";
 	ot->idname = "OBJECT_OT_vertex_group_remove_from";
+	ot->description = "Remove the selected vertices from the active vertex group";
 
 	/* api callbacks */
 	ot->poll = vertex_group_poll_edit_or_wpaint_vert_select;
@@ -2262,6 +2266,7 @@ void OBJECT_OT_vertex_group_select(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Select Vertex Group";
 	ot->idname = "OBJECT_OT_vertex_group_select";
+	ot->description = "Select all the vertices assigned to the active vertex group";
 
 	/* api callbacks */
 	ot->poll = vertex_group_poll_edit_or_wpaint_vert_select;
@@ -2286,6 +2291,7 @@ void OBJECT_OT_vertex_group_deselect(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Deselect Vertex Group";
 	ot->idname = "OBJECT_OT_vertex_group_deselect";
+	ot->description = "Deselect all selected vertices assigned to the active vertex group";
 
 	/* api callbacks */
 	ot->poll = vertex_group_poll_edit_or_wpaint_vert_select;
@@ -2312,6 +2318,7 @@ void OBJECT_OT_vertex_group_copy(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Copy Vertex Group";
 	ot->idname = "OBJECT_OT_vertex_group_copy";
+	ot->description = "Make a copy of the active vertex group";
 
 	/* api callbacks */
 	ot->poll = vertex_group_poll;
@@ -2342,6 +2349,7 @@ void OBJECT_OT_vertex_group_levels(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Vertex Group Levels";
 	ot->idname = "OBJECT_OT_vertex_group_levels";
+	ot->description = "Add some offset and multiply with some gain the weights of the active vertex group";
 	
 	/* api callbacks */
 	ot->poll = vertex_group_poll;
@@ -2372,6 +2380,7 @@ void OBJECT_OT_vertex_group_normalize(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Normalize Vertex Group";
 	ot->idname = "OBJECT_OT_vertex_group_normalize";
+	ot->description = "Normalize weights of the active vertex group, so that the highest ones are now 1.0";
 
 	/* api callbacks */
 	ot->poll = vertex_group_poll;
@@ -2400,6 +2409,8 @@ void OBJECT_OT_vertex_group_normalize_all(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Normalize All Vertex Groups";
 	ot->idname = "OBJECT_OT_vertex_group_normalize_all";
+	ot->description = "Normalize all weights of all vertex groups, "
+	                  "so that for each vertex, the sum of all weights is 1.0";
 
 	/* api callbacks */
 	ot->poll = vertex_group_poll;
@@ -2480,6 +2491,7 @@ void OBJECT_OT_vertex_group_lock(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Change the Lock On Vertex Groups";
 	ot->idname = "OBJECT_OT_vertex_group_lock";
+	ot->description = "Change the lock state of all vertex groups of active object";
 
 	/* api callbacks */
 	ot->poll = vertex_group_poll;
@@ -2510,6 +2522,7 @@ void OBJECT_OT_vertex_group_invert(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Invert Vertex Group";
 	ot->idname = "OBJECT_OT_vertex_group_invert";
+	ot->description = "Invert active vertex group's weights";
 
 	/* api callbacks */
 	ot->poll = vertex_group_poll;
@@ -2996,6 +3009,7 @@ void OBJECT_OT_vertex_group_move(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Move Vertex Group";
 	ot->idname = "OBJECT_OT_vertex_group_move";
+	ot->description = "Move the active vertex group up/down in the list";
 
 	/* api callbacks */
 	ot->poll = vertex_group_poll;
diff --git a/source/blender/editors/physics/particle_edit.c b/source/blender/editors/physics/particle_edit.c
index 28f789b5f9e..64f4ffe4881 100644
--- a/source/blender/editors/physics/particle_edit.c
+++ b/source/blender/editors/physics/particle_edit.c
@@ -1367,6 +1367,7 @@ void PARTICLE_OT_select_all(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "(De)select All";
 	ot->idname = "PARTICLE_OT_select_all";
+	ot->description = "(De)select all particles' keys";
 	
 	/* api callbacks */
 	ot->exec = pe_select_all_exec;
@@ -1441,6 +1442,7 @@ void PARTICLE_OT_select_roots(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Select Roots";
 	ot->idname = "PARTICLE_OT_select_roots";
+	ot->description = "Select roots of all visible particles";
 	
 	/* api callbacks */
 	ot->exec = select_roots_exec;
@@ -1481,7 +1483,8 @@ void PARTICLE_OT_select_tips(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Select Tips";
 	ot->idname = "PARTICLE_OT_select_tips";
-	
+	ot->description = "Select tips of all visible particles";
+
 	/* api callbacks */
 	ot->exec = select_tips_exec;
 	ot->poll = PE_poll;
@@ -1525,6 +1528,7 @@ void PARTICLE_OT_select_linked(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Select Linked";
 	ot->idname = "PARTICLE_OT_select_linked";
+	ot->description = "Select nearest particle from mouse pointer";
 	
 	/* api callbacks */
 	ot->exec = select_linked_exec;
@@ -1717,6 +1721,7 @@ void PARTICLE_OT_hide(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Hide Selected";
 	ot->idname = "PARTICLE_OT_hide";
+	ot->description = "Hide selected particles";
 	
 	/* api callbacks */
 	ot->exec = hide_exec;
@@ -1759,6 +1764,7 @@ void PARTICLE_OT_reveal(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Reveal";
 	ot->idname = "PARTICLE_OT_reveal";
+	ot->description = "Show hidden particles";
 	
 	/* api callbacks */
 	ot->exec = reveal_exec;
@@ -1817,6 +1823,7 @@ void PARTICLE_OT_select_less(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Select Less";
 	ot->idname = "PARTICLE_OT_select_less";
+	ot->description = "Deselect boundary selected keys of each particle";
 	
 	/* api callbacks */
 	ot->exec = select_less_exec;
@@ -1878,6 +1885,7 @@ void PARTICLE_OT_select_more(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Select More";
 	ot->idname = "PARTICLE_OT_select_more";
+	ot->description = "Select keys linked to boundary selected keys of each particle";
 	
 	/* api callbacks */
 	ot->exec = select_more_exec;
@@ -1974,6 +1982,7 @@ void PARTICLE_OT_rekey(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Rekey";
 	ot->idname = "PARTICLE_OT_rekey";
+	ot->description = "Change the number of keys of selected particles (root and tip keys included)";
 	
 	/* api callbacks */
 	ot->exec = rekey_exec;
@@ -2304,6 +2313,7 @@ void PARTICLE_OT_subdivide(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Subdivide";
 	ot->idname = "PARTICLE_OT_subdivide";
+	ot->description = "Subdivide selected particles segments (adds keys)";
 	
 	/* api callbacks */
 	ot->exec = subdivide_exec;
@@ -2392,6 +2402,7 @@ void PARTICLE_OT_remove_doubles(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Remove Doubles";
 	ot->idname = "PARTICLE_OT_remove_doubles";
+	ot->description = "Remove selected particles close enough of others";
 	
 	/* api callbacks */
 	ot->exec = remove_doubles_exec;
@@ -2442,6 +2453,7 @@ void PARTICLE_OT_weight_set(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Weight Set";
 	ot->idname = "PARTICLE_OT_weight_set";
+	ot->description = "Set the weight of selected keys";
 
 	/* api callbacks */
 	ot->exec = weight_set_exec;
@@ -2450,7 +2462,8 @@ void PARTICLE_OT_weight_set(wmOperatorType *ot)
 	/* flags */
 	ot->flag = OPTYPE_REGISTER|OPTYPE_UNDO;
 
-	RNA_def_float(ot->srna, "factor", 1, 0, 1, "Factor", "", 0, 1);
+	RNA_def_float(ot->srna, "factor", 1, 0, 1, "Factor",
+	              "Interpolation factor between current brush weight, and keys' weights", 0, 1);
 }
 
 /************************ cursor drawing *******************************/
@@ -2545,6 +2558,7 @@ void PARTICLE_OT_delete(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Delete";
 	ot->idname = "PARTICLE_OT_delete";
+	ot->description = "Delete selected particles or keys";
 	
 	/* api callbacks */
 	ot->exec = delete_exec;
@@ -2710,6 +2724,7 @@ void PARTICLE_OT_mirror(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Mirror";
 	ot->idname = "PARTICLE_OT_mirror";
+	ot->description = "Duplicate and mirror the selected particles along the local X axis";
 	
 	/* api callbacks */
 	ot->exec = mirror_exec;
@@ -3739,6 +3754,7 @@ void PARTICLE_OT_brush_edit(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Brush Edit";
 	ot->idname = "PARTICLE_OT_brush_edit";
+	ot->description = "Apply a stroke of brush to the particles";
 	
 	/* api callbacks */
 	ot->exec = brush_edit_exec;
@@ -4229,6 +4245,7 @@ void PARTICLE_OT_particle_edit_toggle(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Particle Edit Toggle";
 	ot->idname = "PARTICLE_OT_particle_edit_toggle";
+	ot->description = "Toggle particle edit mode";
 	
 	/* api callbacks */
 	ot->exec = particle_edit_toggle_exec;
@@ -4278,6 +4295,7 @@ void PARTICLE_OT_edited_clear(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Clear Edited";
 	ot->idname = "PARTICLE_OT_edited_clear";
+	ot->description = "Undo all edition performed on the particle system";
 	
 	/* api callbacks */
 	ot->exec = clear_edited_exec;
diff --git a/source/blender/editors/sculpt_paint/paint_hide.c b/source/blender/editors/sculpt_paint/paint_hide.c
index 47536d99fcb..c96da7d52c6 100644
--- a/source/blender/editors/sculpt_paint/paint_hide.c
+++ b/source/blender/editors/sculpt_paint/paint_hide.c
@@ -364,6 +364,7 @@ void PAINT_OT_hide_show(struct wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Hide/Show";
 	ot->idname = "PAINT_OT_hide_show";
+	ot->description = "Hide/show some vertices";
 
 	/* api callbacks */
 	ot->invoke = hide_show_invoke;
diff --git a/source/blender/editors/sculpt_paint/paint_image.c b/source/blender/editors/sculpt_paint/paint_image.c
index 397bfadbd68..c46c153aa70 100644
--- a/source/blender/editors/sculpt_paint/paint_image.c
+++ b/source/blender/editors/sculpt_paint/paint_image.c
@@ -5160,6 +5160,7 @@ void PAINT_OT_image_paint(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Image Paint";
 	ot->idname = "PAINT_OT_image_paint";
+	ot->description = "Paint a stroke into the image";
 	
 	/* api callbacks */
 	ot->exec = paint_exec;
@@ -5387,6 +5388,7 @@ void PAINT_OT_grab_clone(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Grab Clone";
 	ot->idname = "PAINT_OT_grab_clone";
+	ot->description = "Move the clone source image";
 	
 	/* api callbacks */
 	ot->exec = grab_clone_exec;
@@ -5469,6 +5471,7 @@ void PAINT_OT_sample_color(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Sample Color";
 	ot->idname = "PAINT_OT_sample_color";
+	ot->description = "Use the mouse to sample a color in the image";
 	
 	/* api callbacks */
 	ot->exec = sample_color_exec;
@@ -5520,6 +5523,7 @@ void PAINT_OT_clone_cursor_set(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Set Clone Cursor";
 	ot->idname = "PAINT_OT_clone_cursor_set";
+	ot->description = "Set the location of the clone cursor";
 	
 	/* api callbacks */
 	ot->exec = set_clone_cursor_exec;
@@ -5602,6 +5606,7 @@ void PAINT_OT_texture_paint_toggle(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Texture Paint Toggle";
 	ot->idname = "PAINT_OT_texture_paint_toggle";
+	ot->description = "Toggle texture paint mode in 3D view";
 	
 	/* api callbacks */
 	ot->exec = texture_paint_toggle_exec;
diff --git a/source/blender/editors/sculpt_paint/paint_ops.c b/source/blender/editors/sculpt_paint/paint_ops.c
index 2699e9f56f8..c42f0e03d79 100644
--- a/source/blender/editors/sculpt_paint/paint_ops.c
+++ b/source/blender/editors/sculpt_paint/paint_ops.c
@@ -160,6 +160,7 @@ static void PAINT_OT_vertex_color_set(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Set Vertex Colors";
 	ot->idname = "PAINT_OT_vertex_color_set";
+	ot->description = "Fill the active vertex color layer with the current paint color";
 	
 	/* api callbacks */
 	ot->exec = vertex_color_set_exec;
diff --git a/source/blender/editors/sculpt_paint/paint_vertex.c b/source/blender/editors/sculpt_paint/paint_vertex.c
index bfd8f869e66..9a572a24847 100644
--- a/source/blender/editors/sculpt_paint/paint_vertex.c
+++ b/source/blender/editors/sculpt_paint/paint_vertex.c
@@ -1075,6 +1075,7 @@ void PAINT_OT_weight_sample(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Weight Paint Sample Weight";
 	ot->idname = "PAINT_OT_weight_sample";
+	ot->description = "Use the mouse to sample a weight in the 3D view";
 
 	/* api callbacks */
 	ot->invoke = weight_sample_invoke;
@@ -1176,6 +1177,7 @@ void PAINT_OT_weight_sample_group(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Weight Paint Sample Group";
 	ot->idname = "PAINT_OT_weight_sample_group";
+	ot->description = "Select one of the vertex groups available under current mouse position";
 
 	/* api callbacks */
 	ot->exec = weight_sample_group_exec;
@@ -2038,6 +2040,7 @@ void PAINT_OT_weight_paint_toggle(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Weight Paint Mode";
 	ot->idname = "PAINT_OT_weight_paint_toggle";
+	ot->description = "Toggle weight paint mode in 3D view";
 	
 	/* api callbacks */
 	ot->exec = set_wpaint;
@@ -2490,6 +2493,7 @@ void PAINT_OT_weight_paint(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Weight Paint";
 	ot->idname = "PAINT_OT_weight_paint";
+	ot->description = "Paint a stroke in the current vertex group's weights";
 	
 	/* api callbacks */
 	ot->invoke = wpaint_invoke;
@@ -2522,6 +2526,7 @@ void PAINT_OT_weight_set(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Set Weight";
 	ot->idname = "PAINT_OT_weight_set";
+	ot->description = "Fill the active vertex group with the current paint weight";
 
 	/* api callbacks */
 	ot->exec = weight_paint_set_exec;
@@ -2586,6 +2591,7 @@ void PAINT_OT_vertex_paint_toggle(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Vertex Paint Mode";
 	ot->idname = "PAINT_OT_vertex_paint_toggle";
+	ot->description = "Toggle the vertex paint mode in 3D view";
 	
 	/* api callbacks */
 	ot->exec = set_vpaint;
@@ -2991,6 +2997,7 @@ void PAINT_OT_vertex_paint(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Vertex Paint";
 	ot->idname = "PAINT_OT_vertex_paint";
+	ot->description = "Paint a stroke in the active vertex color layer";
 	
 	/* api callbacks */
 	ot->invoke = vpaint_invoke;
diff --git a/source/blender/editors/space_node/node_edit.c b/source/blender/editors/space_node/node_edit.c
index f30098d151d..fd4e9bc4ef0 100644
--- a/source/blender/editors/space_node/node_edit.c
+++ b/source/blender/editors/space_node/node_edit.c
@@ -1316,6 +1316,7 @@ void NODE_OT_backimage_zoom(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Background Image Zoom";
 	ot->idname = "NODE_OT_backimage_zoom";
+	ot->description = "Zoom in/out the brackground image";
 	
 	/* api callbacks */
 	ot->exec = backimage_zoom;
@@ -1482,6 +1483,7 @@ void NODE_OT_backimage_sample(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Backimage Sample";
 	ot->idname = "NODE_OT_backimage_sample";
+	ot->description = "Use mouse to sample background image";
 	
 	/* api callbacks */
 	ot->invoke = sample_invoke;
@@ -1593,6 +1595,7 @@ void NODE_OT_resize(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Resize Node";
 	ot->idname = "NODE_OT_resize";
+	ot->description = "Resize a node";
 	
 	/* api callbacks */
 	ot->invoke = node_resize_invoke;
@@ -2547,6 +2550,7 @@ void NODE_OT_link(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Link Nodes";
 	ot->idname = "NODE_OT_link";
+	ot->description = "Use the mouse to create a link between two nodes";
 	
 	/* api callbacks */
 	ot->invoke = node_link_invoke;
@@ -2666,6 +2670,7 @@ void NODE_OT_links_cut(wmOperatorType *ot)
 	
 	ot->name = "Cut links";
 	ot->idname = "NODE_OT_links_cut";
+	ot->description = "Use the mouse to cut (remove) some links";
 	
 	ot->invoke = WM_gesture_lines_invoke;
 	ot->modal = WM_gesture_lines_modal;
@@ -2711,6 +2716,7 @@ void NODE_OT_links_detach(wmOperatorType *ot)
 {
 	ot->name = "Detach Links";
 	ot->idname = "NODE_OT_links_detach";
+	ot->description = "Remove all links to selected nodes, and try to connect neighbor nodes together";
 	
 	ot->exec = detach_links_exec;
 	ot->poll = ED_operator_node_active;
@@ -2905,6 +2911,7 @@ void NODE_OT_read_renderlayers(wmOperatorType *ot)
 	
 	ot->name = "Read Render Layers";
 	ot->idname = "NODE_OT_read_renderlayers";
+	ot->description = "Read all render layers of all used scenes";
 	
 	ot->exec = node_read_renderlayers_exec;
 	
@@ -2938,6 +2945,7 @@ void NODE_OT_read_fullsamplelayers(wmOperatorType *ot)
 	
 	ot->name = "Read Full Sample Layers";
 	ot->idname = "NODE_OT_read_fullsamplelayers";
+	ot->description = "Read all render layers of current scene, in full sample";
 	
 	ot->exec = node_read_fullsamplelayers_exec;
 	
@@ -2986,6 +2994,7 @@ void NODE_OT_render_changed(wmOperatorType *ot)
 	
 	ot->name = "Render Changed Layer";
 	ot->idname = "NODE_OT_render_changed";
+	ot->description = "Render current scene, when input node's layer has been changed";
 	
 	ot->exec = node_render_changed_exec;
 	
@@ -3544,8 +3553,9 @@ static int new_node_tree_exec(bContext *C, wmOperator *op)
 void NODE_OT_new_node_tree(wmOperatorType *ot)
 {
 	/* identifiers */
-	ot->name = "New node tree";
+	ot->name = "New Node Tree";
 	ot->idname = "NODE_OT_new_node_tree";
+	ot->description = "Create a new node tree";
 	
 	/* api callbacks */
 	ot->exec = new_node_tree_exec;
diff --git a/source/blender/editors/space_text/text_ops.c b/source/blender/editors/space_text/text_ops.c
index d38a4caeab7..3116d94df87 100644
--- a/source/blender/editors/space_text/text_ops.c
+++ b/source/blender/editors/space_text/text_ops.c
@@ -1361,7 +1361,7 @@ void TEXT_OT_move_lines(wmOperatorType *ot)
 	/* identifiers */
 	ot->name = "Move Lines";
 	ot->idname = "TEXT_OT_move_lines";
-	ot->description = "Moves the currently selected line(s) up/down";
+	ot->description = "Move the currently selected line(s) up/down";
 	
 	/* api callbacks */
 	ot->exec = move_lines_exec;