cleanup: spelling & typos

Comments only, no functional change.

4 files changed, 8 insertions, 8 deletions

diff --git a/source/blender/editors/include/BIF_glutil.h b/source/blender/editors/include/BIF_glutil.h
index 4272fd49f7f..4dc39681ed2 100644
--- a/source/blender/editors/include/BIF_glutil.h
+++ b/source/blender/editors/include/BIF_glutil.h
@@ -90,13 +90,13 @@ void glutil_draw_lined_arc(float start, float angle, float radius, int nsegments
 void glutil_draw_filled_arc(float start, float angle, float radius, int nsegments);
 
 /**
- * Routines an integer value as obtained by glGetIntegerv.
+ * Returns an integer value as obtained by glGetIntegerv.
  * The param must cause only one value to be gotten from GL.
  */
 int glaGetOneInteger(int param);
 
 /**
- * Routines a float value as obtained by glGetIntegerv.
+ * Returns a float value as obtained by glGetFloatv.
  * The param must cause only one value to be gotten from GL.
  */
 float glaGetOneFloat(int param);
@@ -164,8 +164,8 @@ void glaDrawPixelsTexScaled(float x, float y, int img_w, int img_h, int format,
 
 /** Define a 2D area (viewport, scissor, matrices) for OpenGL rendering.
  *
- * glwDefine2DArea and glaBegin2DDraw set up an OpenGL state appropriate
- * for drawing using both vertice (Vertex, etc) and raster (RasterPos, Rect)
+ * glaDefine2DArea and glaBegin2DDraw set up an OpenGL state appropriate
+ * for drawing using both vertex (Vertex, etc) and raster (RasterPos, Rect)
  * commands. All coordinates should be at integer positions. There is little
  * to no reason to use glVertex2f etc. functions during 2D rendering, and
  * thus no reason to +-0.5 the coordinates or perform other silly
diff --git a/source/blender/editors/interface/interface_draw.c b/source/blender/editors/interface/interface_draw.c
index e03ea5efba4..07d580b9138 100644
--- a/source/blender/editors/interface/interface_draw.c
+++ b/source/blender/editors/interface/interface_draw.c
@@ -65,7 +65,7 @@ static int roundboxtype = UI_CNR_ALL;
 void UI_draw_roundbox_corner_set(int type)
 {
 	/* Not sure the roundbox function is the best place to change this
-	 * if this is undone, its not that big a deal, only makes curves edges
+	 * if this is undone, it's not that big a deal, only makes curves edges
 	 * square for the  */
 	roundboxtype = type;
 	
diff --git a/source/blender/editors/screen/glutil.c b/source/blender/editors/screen/glutil.c
index 4c1698bd1d4..6001534e88d 100644
--- a/source/blender/editors/screen/glutil.c
+++ b/source/blender/editors/screen/glutil.c
@@ -839,7 +839,7 @@ void gla2DDrawTranslatePt(gla2DDrawInfo *di, float wo_x, float wo_y, int *r_sc_x
 }
 
 /**
- * Translate the \a world point from world coordiantes into screen space.
+ * Translate the \a world point from world coordinates into screen space.
  */
 void gla2DDrawTranslatePtv(gla2DDrawInfo *di, float world[2], int screen_r[2])
 {
@@ -848,7 +848,7 @@ void gla2DDrawTranslatePtv(gla2DDrawInfo *di, float world[2], int screen_r[2])
 }
 
 /**
- * Restores the previous OpenGL state and free's the auxilary gla data.
+ * Restores the previous OpenGL state and frees the auxiliary gla data.
  */
 void glaEnd2DDraw(gla2DDrawInfo *di)
 {
diff --git a/source/blender/editors/transform/transform.c b/source/blender/editors/transform/transform.c
index 4c95bd899b7..061d00424b8 100644
--- a/source/blender/editors/transform/transform.c
+++ b/source/blender/editors/transform/transform.c
@@ -6781,7 +6781,7 @@ static eRedrawFlag handleEventVertSlide(struct TransInfo *t, const struct wmEven
 #endif
 				case MOUSEMOVE:
 				{
-					/* don't recalculat the best edge */
+					/* don't recalculate the best edge */
 					const bool is_clamp = !(t->flag & T_ALT_TRANSFORM);
 					if (is_clamp) {
 						calcVertSlideMouseActiveEdges(t, event->mval);