[O] patch for doc string typos in org-mobile.el

[Stephen Eglen]

--- org-mobile.el~      2010-04-03 23:26:09.000000000 +0100
+++ org-mobile.el       2011-06-28 09:47:17.000000000 +0100
@@ -86,12 +86,12 @@
   :type 'file)
 
 (defcustom org-mobile-force-id-on-agenda-items t
-  "Non-nil means make all agenda items carry and ID."
+  "Non-nil means make all agenda items carry an ID."
   :group 'org-mobile
   :type 'boolean)
 
 (defcustom org-mobile-force-mobile-change nil
-  "Non-nil means, force the change made on the mobile device.
+  "Non-nil means force the change made on the mobile device.
 So even if there have been changes to the computer version of the entry,
 force the new value set on the mobile.
 When nil, mark the entry from the mobile with an error message.