docs(input): ngPattern validates against view value

src/ng/directive/input.js

@@ -1549,7 +1549,7 @@ function checkboxInputType(scope, element, attr, ctrl, $sniffer, $browser, $filt
  * @param {number=} ngMaxlength Sets `maxlength` validation error key if the value is longer than
  *    maxlength. Setting the attribute to a negative or non-numeric value, allows view values of any
  *    length.
- * @param {string=} ngPattern Sets `pattern` validation error key if the ngModel value does not match
+ * @param {string=} ngPattern Sets `pattern` validation error key if the view value does not match
  *    a RegExp found by evaluating the Angular expression given in the attribute value.
  *    If the expression evaluates to a RegExp object, then this is used directly.
  *    If the expression evaluates to a string, then it will be converted to a RegExp