fixed typo

x/1-5-Events/eventloop.cpp

@@ -219,7 +219,7 @@ void initX(int argc, char* argv[], XInfo& xinfo) {
     XSetBackground( xinfo.display, xinfo.gc, background );
     XSetForeground( xinfo.display, xinfo.gc, foreground );
 
-    // Tell the window manager what input events you want.
+    // Tell the base window system what input events you want.
     // ButtomMotionMask: The client application receives MotionNotify events only when at least one button is pressed.
     XSelectInput( xinfo.display, xinfo.window,
                   ButtonPressMask | KeyPressMask | ButtonMotionMask );