docs(guide/forms): fix a typo

mikeg0184 · pkozlowski-opensource · commit 7d604975a7ec · 2014-03-05T22:10:57.000+01:00
Closes angular#6556
diff --git a/docs/content/guide/forms.ngdoc b/docs/content/guide/forms.ngdoc
@@ -56,7 +56,7 @@ Note that `novalidate` is used to disable browser's native form validation.
 
 # Using CSS classes
 
-To allow styling of form as well as controls, `ngModel`  add these CSS classes:
+To allow styling of form as well as controls, `ngModel`  adds these CSS classes:
 
 - `ng-valid`
 - `ng-invalid`
