Thread:Extension talk:FlaggedRevs/Main, File and Template ns + Category, Module, User, Project and Help added/reply

That file must not be edited directly. Place your configuration in LocalSettings.php, adding the line $wgFlaggedRevsNamespaces = array( NS_MAIN, NS_USER, NS_PROJECT, NS_FILE, NS_MODULE, NS_TEMPLATE, NS_HELP, NS_CATEGORY ); after the line calling FlaggedRevs.