minor #1422 Update providers.rst (templar1)

This PR was merged into the 2.0.x-dev branch.

Discussion
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Update providers.rst

Commits
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94b16a8e Update providers.rst

doc/providers.rst

@@ -77,7 +77,7 @@ Third party providers
 
 Some service providers are developed by the community. Those third-party
 providers are listed on `Silex' repository wiki
-<https://github.com/silexphp/Silex/wiki/Third-Party-ServiceProviders>`_.
+<https://github.com/silexphp/Silex/wiki/Third-Party-ServiceProviders-for-Silex-2.x>`_.
 
 You are encouraged to share yours.