chore(CHANGELOG): Fix broken link.

Author: mportuga

CHANGELOG.md

@@ -479,7 +479,7 @@ Closes #2273, #2552, #3593, #3854, #4439
 
 * **6123:** Allowing selection and tree-base to build columns. ([2ea9a06e](http://github.com/angular-ui/ng-grid/commit/2ea9a06e594601cc44947a997f08bce628e813f4))
 * **flatEntityAccess:**  getCellDisplayValue now returns the correct value. ([ba77c875](http://github.com/angular-ui/ng-grid/commit/ba77c8750431236ff4f729fe8a77eb44cbbfc9b7))
-* **japanese:** Update japanese translation. ([47e78d1](https://github.com/angular-ui/ui-grid/commit/47e78d16710a96033c692f800c5bb4874f694fc8)), closes [#6089]
+* **japanese:** Update japanese translation. ([47e78d1](https://github.com/angular-ui/ui-grid/commit/47e78d16710a96033c692f800c5bb4874f694fc8)), closes [#6089](https://github.com/angular-ui/ui-grid/issues/6089)
 
 <a name="v4.0.3"></a>
 ### v4.0.3 (2017-03-24)