fix string

gajim/common/config.py

@@ -255,7 +255,7 @@ class Config:
             'restored_messages_small': [opt_bool, True, _('If true, restored messages will use a smaller font than the default one.')],
             'hide_avatar_of_transport': [opt_bool, False, _('Don\'t show avatar for the transport itself.')],
             'roster_window_skip_taskbar': [opt_bool, False, _('Don\'t show roster in the system taskbar.')],
-            'use_urgency_hint': [opt_bool, True, _('If true and installed GTK+ and PyGTK versions are at least 2.8, make the window flash (the default behaviour in most Window Managers) when holding pending events.')],
+            'use_urgency_hint': [opt_bool, True, _('If true, make the window flash (the default behaviour in most Window Managers) when holding pending events.')],
             'notification_timeout': [opt_int, 5],
             'send_sha_in_gc_presence': [opt_bool, True, _('Jabberd1.4 does not like sha info when one join a password protected group chat. Turn this option to False to stop sending sha info in group chat presences.')],
             'one_message_window': [opt_str, 'always',