Cleanup: spelling

5 files changed, 7 insertions, 7 deletions

diff --git a/intern/cycles/kernel/kernel_camera.h b/intern/cycles/kernel/kernel_camera.h
index 68a10dd03b8..97cd3a3320c 100644
--- a/intern/cycles/kernel/kernel_camera.h
+++ b/intern/cycles/kernel/kernel_camera.h
@@ -128,7 +128,7 @@ ccl_device void camera_sample_perspective(KernelGlobals *kg,
 #ifdef __RAY_DIFFERENTIALS__
     /* Ray differentials, computed from scratch using the raster coordinates
      * because we don't want to be affected by depth of field. We compute
-     * ray origin and direction for the center and two neighbouring pixels
+     * ray origin and direction for the center and two neighboring pixels
      * and simply take their differences. */
     float3 Pnostereo = transform_point(&cameratoworld, make_float3(0.0f, 0.0f, 0.0f));
 
@@ -303,7 +303,7 @@ ccl_device_inline void camera_sample_panorama(ccl_constant KernelCamera *cam,
 #ifdef __RAY_DIFFERENTIALS__
   /* Ray differentials, computed from scratch using the raster coordinates
    * because we don't want to be affected by depth of field. We compute
-   * ray origin and direction for the center and two neighbouring pixels
+   * ray origin and direction for the center and two neighboring pixels
    * and simply take their differences. */
   float3 Pcenter = Pcamera;
   float3 Dcenter = panorama_to_direction(cam, Pcenter.x, Pcenter.y);
diff --git a/intern/cycles/kernel/kernel_shader.h b/intern/cycles/kernel/kernel_shader.h
index c80124d3eb2..4963e012e15 100644
--- a/intern/cycles/kernel/kernel_shader.h
+++ b/intern/cycles/kernel/kernel_shader.h
@@ -687,7 +687,7 @@ ccl_device_inline const ShaderClosure *shader_bsdf_pick(ShaderData *sd, float *r
           sampled = i;
 
           /* Rescale to reuse for direction sample, to better
-           * preserve stratifaction. */
+           * preserve stratification. */
           *randu = (r - partial_sum) / sc->sample_weight;
           break;
         }
diff --git a/intern/cycles/kernel/kernel_shadow.h b/intern/cycles/kernel/kernel_shadow.h
index 07201819030..6640f64518a 100644
--- a/intern/cycles/kernel/kernel_shadow.h
+++ b/intern/cycles/kernel/kernel_shadow.h
@@ -427,7 +427,7 @@ ccl_device_inline bool shadow_blocked(KernelGlobals *kg,
   }
   const uint max_hits = transparent_max_bounce - state->transparent_bounce - 1;
 #    ifdef __KERNEL_GPU__
-  /* On GPU we do trickey with tracing opaque ray first, this avoids speed
+  /* On GPU we do tricky with tracing opaque ray first, this avoids speed
    * regressions in some files.
    *
    * TODO(sergey): Check why using record-all behavior causes slowdown in such
diff --git a/intern/cycles/kernel/kernel_volume.h b/intern/cycles/kernel/kernel_volume.h
index 1705f58b87d..cc85110bdd8 100644
--- a/intern/cycles/kernel/kernel_volume.h
+++ b/intern/cycles/kernel/kernel_volume.h
@@ -111,8 +111,8 @@ ccl_device bool volume_stack_is_heterogeneous(KernelGlobals *kg, ccl_addr_space
     }
     else if (shader_flag & SD_NEED_ATTRIBUTES) {
       /* We want to render world or objects without any volume grids
-       * as homogenous, but can only verify this at runtime since other
-       * heterogenous volume objects may be using the same shader. */
+       * as homogeneous, but can only verify this at run-time since other
+       * heterogeneous volume objects may be using the same shader. */
       int object = stack[i].object;
       if (object != OBJECT_NONE) {
         int object_flag = kernel_tex_fetch(__object_flag, object);
diff --git a/intern/cycles/kernel/split/kernel_next_iteration_setup.h b/intern/cycles/kernel/split/kernel_next_iteration_setup.h
index 3c2f6038035..320f6a414bf 100644
--- a/intern/cycles/kernel/split/kernel_next_iteration_setup.h
+++ b/intern/cycles/kernel/split/kernel_next_iteration_setup.h
@@ -109,7 +109,7 @@ ccl_device void kernel_next_iteration_setup(KernelGlobals *kg,
 
   if (ccl_global_id(0) == 0 && ccl_global_id(1) == 0) {
     /* If we are here, then it means that scene-intersect kernel
-     * has already been executed atleast once. From the next time,
+     * has already been executed at least once. From the next time,
      * scene-intersect kernel may operate on queues to fetch ray index
      */
     *kernel_split_params.use_queues_flag = 1;