[seahorse] Fix typo in string

[Stefan Walter <stefw src gnome org>]

commit ac283707f5e800220ab51be9064b90eb8d830154
Author: Anders Jonsson <anders jonsson norsjovallen se>
Date:   Sat Dec 13 00:26:11 2014 +0100

    Fix typo in string
    
    https://bugzilla.gnome.org/show_bug.cgi?id=741502

 libseahorse/seahorse-prefs.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libseahorse/seahorse-prefs.c b/libseahorse/seahorse-prefs.c
index b6f94c6..887ec05 100644
--- a/libseahorse/seahorse-prefs.c
+++ b/libseahorse/seahorse-prefs.c
@@ -63,7 +63,7 @@ keyserver_cell_edited (GtkCellRendererText *cell, gchar *path, gchar *text,
 
     if (!seahorse_servers_is_valid_uri (text)) {
         seahorse_util_show_error (NULL, _("Not a valid Key Server address."), 
-                                  _("For help contact your system adminstrator or the administrator of the 
key server." ));
+                                  _("For help contact your system administrator or the administrator of the 
key server." ));
         return;
     }