docs($templateRequestProvider): make the description more generic and fix link

Author: gkalpak

src/ng/templateRequest.js

@@ -6,7 +6,10 @@ var $compileMinErr = minErr('$compile');
  * @ngdoc provider
  * @name $templateRequestProvider
  * @description
- * Used to configure the Accept header that is sent to the server when requesting a template.
+ * Used to configure the options passed to the {@link $http} service when making a request.
+ *
+ * For example, it can be used for specifying the "Accept" header that is sent to the server, when
+ * requesting a template.
  */
 function $TemplateRequestProvider() {
 
@@ -19,7 +22,7 @@ function $TemplateRequestProvider() {
    * The options to be passed to the $http service when making the request.
    * You can use this to override options such as the Accept header for template requests.
    *
-   * The {$templateRequest} will set the `cache` and the `transformResponse` properties of the
+   * The {@link $templateRequest} will set the `cache` and the `transformResponse` properties of the
    * options if not overridden here.
    *
    * @param {string=} value new value for the {@link $http} options.