[gnome-control-center] user-accounts: Fix wording mistake

[Felipe Borges <felipeborges src gnome org>]

commit 3d8d45ab6b47ce2c3b08f3e02fd42b774aa4e926
Author: Ondrej Holy <oholy redhat com>
Date:   Mon Apr 10 14:31:53 2017 +0200

    user-accounts: Fix wording mistake
    
    https://bugzilla.gnome.org/show_bug.cgi?id=781133

 panels/user-accounts/um-account-dialog.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/panels/user-accounts/um-account-dialog.c b/panels/user-accounts/um-account-dialog.c
index ed5093e..805339a 100644
--- a/panels/user-accounts/um-account-dialog.c
+++ b/panels/user-accounts/um-account-dialog.c
@@ -1112,7 +1112,7 @@ on_realm_discover_input (GObject *source,
                 g_dbus_error_strip_remote_error (error);
 
                 if (g_error_matches (error, UM_REALM_ERROR, UM_REALM_ERROR_GENERIC)) {
-                        message = g_strdup(_("Unable find the domain. Maybe you misspelled it?"));
+                        message = g_strdup (_("Unable to find the domain. Maybe you misspelled it?"));
                 } else {
                         message = g_strdup_printf ("%s.", error->message);
                 }