diff --git a/lisp/bbdb.el b/lisp/bbdb.el
index 3394e5f..5730432 100644
--- a/lisp/bbdb.el
+++ b/lisp/bbdb.el
@@ -1212,21 +1212,21 @@ weights more than 100 will be in the end."
 Allowed values are those allowed for `mail-user-agent'."
   :group 'bbdb-sendmail
   :type '(radio (function-item :tag "Message package"
-			       :format "%t\n"
-			       message-user-agent)
-		(function-item :tag "Mail package"
-			       :format "%t\n"
-			       sendmail-user-agent)
-		(function-item :tag "Emacs interface to MH"
-			       :format "%t\n"
-			       mh-e-user-agent)
-		(function-item :tag "Message with full Gnus features"
-			       :format "%t\n"
-			       gnus-user-agent)
-		(function-item :tag "VM"
-			       :format "%t\n"
-			       vm-user-agent)
-		(function :tag "Other")
+                   :format "%t\n"
+                   message-user-agent)
+        (function-item :tag "Mail package"
+                   :format "%t\n"
+                   sendmail-user-agent)
+        (function-item :tag "Emacs interface to MH"
+                   :format "%t\n"
+                   mh-e-user-agent)
+        (function-item :tag "Message with full Gnus features"
+                   :format "%t\n"
+                   gnus-user-agent)
+        (function-item :tag "VM"
+                   :format "%t\n"
+                   vm-user-agent)
+        (function :tag "Other")
                 (const :tag "Default" nil)))
 
 (defcustom bbdb-mail-alias-field 'mail-alias