--- a/reg/forms.py	Fri Apr 09 15:35:40 2010 +0530
+++ b/reg/forms.py	Fri Apr 09 15:48:47 2010 +0530
@@ -1,8 +1,7 @@
 import string
 
+from django import forms
 from django.contrib.auth.models import User
-from django import forms
-
 from django.contrib.auth import authenticate
 
 from workshop.reg.models import Profile
@@ -47,6 +46,9 @@
         fields = ['email', 'password', 'confirm_password', 'first_name', 'last_name', 'gender', 'profession', 'affiliated_to', 'interests']
 
     def clean_email(self):
+        """ check if a user exists with same email.
+        """
+
         email = self.cleaned_data['email']
         try:
             User.objects.get(email__iexact=email)
@@ -56,6 +58,11 @@
             return email
 
     def clean_password(self):
+        """ check if the password contains only alphabets or digits or punctuation.
+        then check if the size of the password is optimal.
+        then check if both the given passwords match.
+        """
+
         password = self.cleaned_data['password']
 
         if password.strip(string.ascii_letters+string.punctuation+string.digits):