Fixed typos in shape header.

include/SDL_shape.h

@@ -71,6 +71,7 @@ extern DECLSPEC SDL_Window * SDLCALL SDL_CreateShapedWindow(const char *title,un
  * \param window The window to query for being shaped.
  *
  * \return SDL_TRUE if the window is a window that can be shaped, SDL_FALSE if the window is unshaped or NULL.
+ *
  * \sa SDL_CreateShapedWindow
  */
 extern DECLSPEC SDL_bool SDLCALL SDL_IsShapedWindow(const SDL_Window *window);
@@ -91,7 +92,7 @@ typedef enum {
 
 /** \brief A union containing parameters for shaped windows. */
 typedef union {
-    /** \brief a cutoff alpha value for binarization of the window shape's alpha channel. */
+    /** \brief A cutoff alpha value for binarization of the window shape's alpha channel. */
     Uint8 binarizationCutoff;
     SDL_Color colorKey;
 } SDL_WindowShapeParams;
@@ -111,8 +112,8 @@ typedef struct SDL_WindowShapeMode {
  * \param shape A surface encoding the desired shape for the window.
  * \param shape_mode The parameters to set for the shaped window.
  *
- * \return 0 on success, SDL_INVALID_SHAPE_ARGUMENT on invalid an invalid shape argument, or SDL_NONSHAPEABLE_WINDOW
- *           if the SDL_Window* given does not reference a valid shaped window.
+ * \return 0 on success, SDL_INVALID_SHAPE_ARGUMENT on an invalid shape argument, or SDL_NONSHAPEABLE_WINDOW
+ *           if the SDL_Window given does not reference a valid shaped window.
  *
  * \sa SDL_WindowShapeMode
  * \sa SDL_GetShapedWindowMode.
@@ -127,7 +128,7 @@ extern DECLSPEC int SDLCALL SDL_SetWindowShape(SDL_Window *window,SDL_Surface *s
  *
  * \return 0 if the window has a shape and, provided shape_mode was not NULL, shape_mode has been filled with the mode
  *           data, SDL_NONSHAPEABLE_WINDOW if the SDL_Window given is not a shaped window, or SDL_WINDOW_LACKS_SHAPE if
- *           the SDL_Window* given is a shapeable window currently lacking a shape.
+ *           the SDL_Window given is a shapeable window currently lacking a shape.
  *
  * \sa SDL_WindowShapeMode
  * \sa SDL_SetWindowShape