[gdm] Fix typo

[Alexandre Franke <afranke src gnome org>]

commit 19f238566c580bb71eea56bf5c4bbb5f2e61455e
Author: Alexandre Franke <alexandre franke gmail com>
Date:   Tue Sep 6 13:41:13 2011 +0200

    Fix typo

 docs/C/gdm.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/docs/C/gdm.xml b/docs/C/gdm.xml
index bf9605c..ca6c6ee 100644
--- a/docs/C/gdm.xml
+++ b/docs/C/gdm.xml
@@ -288,7 +288,7 @@
       </para>
 
       <para>
-         Likewise, the fingerprint extension can enabled or disabled via the
+         Likewise, the fingerprint extension can be enabled or disabled via the
          <filename>org.gnome.display-manager.extensions.fingerprint.active</filename>
          gsettings key.
       </para>