Index: django/contrib/localflavor/ca/forms.py
===================================================================
--- django/contrib/localflavor/ca/forms.py	(revision 6980)
+++ django/contrib/localflavor/ca/forms.py	(working copy)
@@ -80,12 +80,12 @@
 
     Checks the following rules to determine whether the number is valid:
 
-        * Conforms to the XXX-XXX-XXXX format.
+        * Conforms to the XXX-XXX-XXX format.
         * Passes the check digit process "Luhn Algorithm"
              See: http://en.wikipedia.org/wiki/Social_Insurance_Number
     """
     default_error_messages = {
-        'invalid': ugettext('Enter a valid Canadian Social Insurance number in XXX-XXX-XXXX format.'),
+        'invalid': ugettext('Enter a valid Canadian Social Insurance number in XXX-XXX-XXX format.'),
     }
 
     def clean(self, value):
Index: docs/localflavor.txt
===================================================================
--- docs/localflavor.txt	(revision 6980)
+++ docs/localflavor.txt	(working copy)
@@ -181,7 +181,7 @@
 ----------------------------
 
 A form field that validates input as a Canadian Social Insurance Number (SIN).
-A valid number must have the format XXX-XXX-XXXX and pass a `Luhn mod-10
+A valid number must have the format XXX-XXX-XXX and pass a `Luhn mod-10
 checksum`_.
 
 .. _Luhn mod-10 checksum: http://en.wikipedia.org/wiki/Luhn_algorithm