docs(angular.version): fix summary description

Fix summary description of `angular.version`.
The property description is best kept for the detailed page.

Closes angular#12790

Author: akshayagarwal

src/AngularPublic.js

@@ -98,8 +98,9 @@
  * @name angular.version
  * @module ng
  * @description
- * An object that contains information about the current AngularJS version. This object has the
- * following properties:
+ * An object that contains information about the current AngularJS version.
+ *
+ * This object has the following properties:
  *
  * - `full` – `{string}` – Full version string, such as "0.9.18".
  * - `major` – `{number}` – Major version number, such as "0".