diff --git a/django/contrib/localflavor/usa/forms.py b/django/contrib/localflavor/usa/forms.py
index e61c03b702..8d76a9269e 100644
--- a/django/contrib/localflavor/usa/forms.py
+++ b/django/contrib/localflavor/usa/forms.py
@@ -43,28 +43,26 @@ class USSocialSecurityNumberField(Field):
         * The number is not one known to be invalid due to otherwise widespread
           promotional use or distribution (e.g., the Woolworth's number or the 1962
           promotional number).
-    
     """
     def clean(self, value):
         super(USSocialSecurityNumberField, self).clean(value)
         if value in EMPTY_VALUES:
             return u''
-        msg = gettext(u'Enter a valid US Social Security number in XXX-XX-XXXX format')
+        msg = gettext(u'Enter a valid U.S. Social Security number in XXX-XX-XXXX format.')
         match = re.match(ssn_re, value)
         if not match:
             raise ValidationError(msg)
         area, group, serial = match.groupdict()['area'], match.groupdict()['group'], match.groupdict()['serial']
-        
+
         # First pass: no blocks of all zeroes.
         if area == '000' or \
            group == '00' or \
            serial == '0000':
             raise ValidationError(msg)
-        
+
         # Second pass: promotional and otherwise permanently invalid numbers.
         if area == '666' or \
-           (area == '987' and group == '65' and \
-            4320 <= int(serial) <= 4329) or \
+           (area == '987' and group == '65' and 4320 <= int(serial) <= 4329) or \
            value == '078-05-1120' or \
            value == '219-09-9999':
             raise ValidationError(msg)
diff --git a/setup.py b/setup.py
index 933ea87b1b..61e0fd55e9 100644
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,7 @@ root_dir = os.path.dirname(__file__)
 django_dir = os.path.join(root_dir, 'django')
 pieces = fullsplit(root_dir)
 if pieces[-1] == '':
-    len_root_dir = len(pieces)- 1
+    len_root_dir = len(pieces) - 1
 else:
     len_root_dir = len(pieces)
 
diff --git a/tests/regressiontests/forms/localflavor.py b/tests/regressiontests/forms/localflavor.py
index e05078ea46..a9d2126e38 100644
--- a/tests/regressiontests/forms/localflavor.py
+++ b/tests/regressiontests/forms/localflavor.py
@@ -256,7 +256,7 @@ u'987-65-4330'
 >>> f.clean('078-05-1120')
 Traceback (most recent call last):
 ...
-ValidationError: [u'Enter a valid US Social Security number in XXX-XX-XXXX format']
+ValidationError: [u'Enter a valid U.S. Social Security number in XXX-XX-XXXX format.']
 
 # UKPostcodeField #############################################################