Sync wiki -> header

include/SDL_error.h

@@ -72,11 +72,11 @@ extern DECLSPEC int SDLCALL SDL_SetError(SDL_PRINTF_FORMAT_STRING const char *fm
  *
  * The message is only applicable when an SDL function has signaled an error.
  * You must check the return values of SDL function calls to determine when to
- * appropriately call SDL_GetError(). You should _not_ use the results of
+ * appropriately call SDL_GetError(). You should *not* use the results of
  * SDL_GetError() to decide if an error has occurred! Sometimes SDL will set
  * an error string even when reporting success.
  *
- * SDL will _not_ clear the error string for successful API calls. You _must_
+ * SDL will *not* clear the error string for successful API calls. You *must*
  * check return values for failure cases before you can assume the error
  * string applies.
  *