Update PULL_REQUEST_TEMPLATE.md to reflect the documentation being on…

… the website (fluentassertions#555)

.github/PULL_REQUEST_TEMPLATE.md

@@ -2,6 +2,6 @@
 SINCE FLUENT ASSERTIONS IS CURRENTLY UNDER HEAVY REFACTORING FOR [VERSION 5.0](https://github.com/fluentassertions/fluentassertions/issues/463), WE CURRENTLY ONLY ACCEPT BUGFIX REQUESTS. SORRY FOR THE INCONVENIENCE
 
 * [ ] The [Pull Request](https://help.github.com/articles/using-pull-requests) is targeted at the `master` branch.
-* [ ] The code complies with the [Coding Guidelines for C# 3.0, 4.0 and 5.0](http://www.csharpcodingguidelines.com/)/. 
-* [ ] The changes are covered by a new or existing set of unit tests which follow the Arrange-Act-Assert syntax such as is used [in this example](https://github.com/fluentassertions/fluentassertions/blob/daaf35b9b59b622c96d0c034e8972a020b2bee55/Tests/FluentAssertions.Shared.Specs/BasicEquivalencySpecs.cs#L33). 
-* [ ] If the contribution affects the documentation, please help us by providing a paragraph of text and/or examples that we can include in the [documentation](https://github.com/fluentassertions/fluentassertions/wiki) wiki. 
+* [ ] The code complies with the [Coding Guidelines for C# 3.0, 4.0 and 5.0](http://www.csharpcodingguidelines.com/)/.
+* [ ] The changes are covered by a new or existing set of unit tests which follow the Arrange-Act-Assert syntax such as is used [in this example](https://github.com/fluentassertions/fluentassertions/blob/daaf35b9b59b622c96d0c034e8972a020b2bee55/Tests/FluentAssertions.Shared.Specs/BasicEquivalencySpecs.cs#L33).
+* [ ] If the contribution affects the documentation, please include your changes to [**documentation.md**](https://github.com/fluentassertions/fluentassertions/blob/master/docs/documentation.md) in this pull request so the documentation will appear on the [website](http://fluentassertions.com/documentation.html).