fixed missing ;

.config/firefox/user.js

@@ -2,7 +2,7 @@
 user_pref("toolkit.legacyUserProfileCustomizations.stylesheets",    true);
 
 // make sure right click mouse up doesnt instantly closes context menu
-user_pref("ui.context_menus.after_mouseup", false)
+user_pref("ui.context_menus.after_mouseup", false);
 // disable Mozilla telemetry
 user_pref("toolkit.telemetry.enabled",				                false);
 user_pref("toolkit.telemetry.unified",				                false);