fix string

src/common/config.py

@@ -123,7 +123,7 @@ class Config:
 		'restore_timeout': [opt_int, 60, _('How many minutes should last lines from previous conversation last.')],
 		'send_on_ctrl_enter': [opt_bool, False, _('Send message on Ctrl+Enter and with Enter make new line (Mirabilis ICQ Client default behaviour).')],
 		'show_roster_on_startup': [opt_bool, True],
-		'key_up_lines': [opt_int, 25, _('How many lines to store for key up.')],
+		'key_up_lines': [opt_int, 25, _('How many lines to store for Ctrl+KeyUP.')],
 		'version': [ opt_str, '0.9' ], # which version created the config
 		'always_compact_view_chat': [opt_bool, False, _('Use compact view when you open a chat window')],
 		'always_compact_view_gc': [opt_bool, False, _('Use compact view when you open a group chat window')],