Sync SDL3 wiki -> header

[ci skip]

include/SDL3/SDL_messagebox.h

@@ -32,8 +32,8 @@
  * There is both a customizable function (SDL_ShowMessageBox()) that offers
  * lots of options for what to display and reports on what choice the user
  * made, and also a much-simplified version (SDL_ShowSimpleMessageBox()),
- * merely takes a text message and title, and waits until the user presses
- * a single "OK" UI button. Often, this is all that is necessary.
+ * merely takes a text message and title, and waits until the user presses a
+ * single "OK" UI button. Often, this is all that is necessary.
  */
 
 #ifndef SDL_messagebox_h_