Index: src/seahorse-pgp-generate.c
===================================================================
--- src/seahorse-pgp-generate.c	(revision 2177)
+++ src/seahorse-pgp-generate.c	(working copy)
@@ -173,6 +201,12 @@
     g_return_if_fail (widget != NULL);
     
     gtk_widget_set_sensitive (widget, name && strlen (g_strstrip (name)) >= 5);
+    
+    if (name && strlen (g_strstrip (name)) >= 5)
+        gtk_widget_set_tooltip_text (widget, NULL);
+    else
+        gtk_widget_set_tooltip_text (widget, _("The Full Name must be at least 5 characters long."));
+        
     g_free (name);
 }

