Correct some orthograph and some formatting

I hope "cliprect" isn't actually a word or something

Signed-off-by: Gabriel Ravier <gabravier@gmail.com>

src/Game.cpp

@@ -304,7 +304,7 @@ int ModeTitle()
 			break;
 	}
 
-	// Reset cliprect, flags, and give the player the nikumaru counter
+	// Reset clip rect, flags, and give the player the Nikumaru counter
 	grcGame.left = 0;
 	// Non-vanilla: these three lines are widescreen-related(?)
 	grcGame.top = 0;