docs(guide/form): clarify section headline

Narretz · Narretz · commit 0692c801e042 · 2014-10-14T20:33:03.000+02:00
diff --git a/docs/content/guide/forms.ngdoc b/docs/content/guide/forms.ngdoc
@@ -190,7 +190,7 @@ This allows us to extend the above example with these features:
 
 
 
-# Custom triggers
+# Custom model update triggers
 
 By default, any change to the content will trigger a model update and form validation. You can
 override this behavior using the {@link ng.directive:ngModelOptions ngModelOptions} directive to
