diff --git a/cogl/cogl-matrix.h b/cogl/cogl-matrix.h
index 7525f8fed..094de2079 100644
--- a/cogl/cogl-matrix.h
+++ b/cogl/cogl-matrix.h
@@ -783,7 +783,7 @@ cogl_debug_matrix_print (const CoglMatrix *matrix);
 /**
  * cogl_gtype_matrix_get_type:
  *
- * Returns the GType for the registered "CoglMatrix" boxed type. This
+ * Returns: the GType for the registered "CoglMatrix" boxed type. This
  * can be used for example to define GObject properties that accept a
  * #CoglMatrix value.
  */
diff --git a/cogl/cogl-sdl.h b/cogl/cogl-sdl.h
index b6841f696..c25534862 100644
--- a/cogl/cogl-sdl.h
+++ b/cogl/cogl-sdl.h
@@ -209,7 +209,7 @@ cogl_sdl_idle (CoglContext *context);
  * cogl_sdl_onscreen_get_window:
  * @onscreen: A #CoglOnscreen
  *
- * Returns the underlying SDL_Window associated with an onscreen framebuffer.
+ * Returns: the underlying SDL_Window associated with an onscreen framebuffer.
  *
  * Since: 2.0
  * Stability: unstable