diff --git a/dlls/wined3d/arb_program_shader.c b/dlls/wined3d/arb_program_shader.c
index 34c3f061a94..9d98c79ce51 100644
--- a/dlls/wined3d/arb_program_shader.c
+++ b/dlls/wined3d/arb_program_shader.c
@@ -1472,7 +1472,7 @@ static void shader_hw_sample(const struct wined3d_shader_instruction *ins, DWORD
     if(ins->dst[0].modifiers & WINED3DSPDM_SATURATE) mod = "_SAT";
     else mod = "";
 
-    /* Fragment samplers always have indentity mapping */
+    /* Fragment samplers always have identity mapping */
     if(sampler_idx >= WINED3D_MAX_FRAGMENT_SAMPLERS)
     {
         sampler_idx = priv->cur_vs_args->vertex.samplers[sampler_idx - WINED3D_MAX_FRAGMENT_SAMPLERS];
diff --git a/dlls/wined3d/context.c b/dlls/wined3d/context.c
index c5d2eeaa477..95769014af6 100644
--- a/dlls/wined3d/context.c
+++ b/dlls/wined3d/context.c
@@ -4487,7 +4487,7 @@ static void wined3d_context_gl_draw_primitive_arrays(struct wined3d_context_gl *
      * this for now.
      *
      * Shouldn't be too hard to support with OpenGL, in theory just call
-     * glDrawArrays() instead of drawElements(). But the stream fequency value
+     * glDrawArrays() instead of drawElements(). But the stream frequency value
      * has a different meaning in that situation. */
     if (!idx_size)
     {
diff --git a/dlls/wined3d/vertexdeclaration.c b/dlls/wined3d/vertexdeclaration.c
index 81032745a06..c5df45541e4 100644
--- a/dlls/wined3d/vertexdeclaration.c
+++ b/dlls/wined3d/vertexdeclaration.c
@@ -216,7 +216,7 @@ static HRESULT vertexdeclaration_init(struct wined3d_vertex_declaration *declara
             declaration->position_transformed = TRUE;
 
         /* Find the streams used in the declaration. The vertex buffers have
-         * to be loaded when drawing, but filter tesselation pseudo streams. */
+         * to be loaded when drawing, but filter tessellation pseudo streams. */
         if (e->input_slot >= WINED3D_MAX_STREAMS)
             continue;
 
diff --git a/dlls/wined3d/wined3d_private.h b/dlls/wined3d/wined3d_private.h
index 60ddf74a0ec..b73d5c7fecf 100644
--- a/dlls/wined3d/wined3d_private.h
+++ b/dlls/wined3d/wined3d_private.h
@@ -3132,7 +3132,7 @@ struct wined3d_state
 
     struct wined3d_vertex_declaration *vertex_declaration;
     struct wined3d_stream_output stream_output[WINED3D_MAX_STREAM_OUTPUT_BUFFERS];
-    struct wined3d_stream_state streams[WINED3D_MAX_STREAMS + 1 /* tesselated pseudo-stream */];
+    struct wined3d_stream_state streams[WINED3D_MAX_STREAMS + 1 /* tessellated pseudo-stream */];
     struct wined3d_buffer *index_buffer;
     enum wined3d_format_id index_format;
     unsigned int index_offset;