docs(limitTo): fix input type in examples

Closes #8989

Author: jimmywarting

src/ng/filter/limitTo.js

@@ -34,9 +34,9 @@
            }]);
        </script>
        <div ng-controller="ExampleController">
-         Limit {{numbers}} to: <input type="integer" ng-model="numLimit">
+         Limit {{numbers}} to: <input type="number" step="1" ng-model="numLimit">
          <p>Output numbers: {{ numbers | limitTo:numLimit }}</p>
-         Limit {{letters}} to: <input type="integer" ng-model="letterLimit">
+         Limit {{letters}} to: <input type="number" step="1" ng-model="letterLimit">
          <p>Output letters: {{ letters | limitTo:letterLimit }}</p>
          Limit {{longNumber}} to: <input type="integer" ng-model="longNumberLimit">
          <p>Output long number: {{ longNumber | limitTo:longNumberLimit }}</p>