--- a/src/ztfy/myams/login.py	Tue Oct 14 14:32:53 2014 +0200
+++ b/src/ztfy/myams/login.py	Tue Oct 14 14:33:24 2014 +0200
@@ -41,7 +41,7 @@
     """Login form fields interface"""
 
     username = TextLine(title=_("login-field", "Login"),
-                        description=_("Principal ID"),
+                        description=_("Principal ID or email address"),
                         required=True)
 
     password = Password(title=_("password-field", "Password"),