Merge pull request #2516 from wireapp/docs/fix-broken-404-links

Docs/fix broken 404 links

docs/src/how-to/install/configuration-options.rst

@@ -424,7 +424,7 @@ Other cloud providers
 
 This information is not yet available. If you'd like to contribute by
 adding this information for your cloud provider, feel free to read the
-`contributing guidelines <../CONTRIBUTING.md>`__ and open a PR.
+`contributing guidelines <https://github.com/wireapp/wire-server-deploy/blob/master/CONTRIBUTING.md>`__ and open a PR.
 
 Real AWS services
 -----------------
@@ -460,7 +460,7 @@ Real AWS services
    could be done using either `terraform <https://www.terraform.io/>`__
    or `pulumi <https://pulumi.io/>`__. If you'd like to contribute by
    creating such automation, feel free to read the `contributing
-   guidelines <../CONTRIBUTING.md>`__ and open a PR.
+   guidelines <https://github.com/wireapp/wire-server-deploy/blob/master/CONTRIBUTING.md>`__ and open a PR.
 
 Persistence and high-availability
 ---------------------------------

docs/src/release-notes.rst

@@ -5,7 +5,7 @@ Release notes of helm charts
 ****************************
 
 Also read `understand release tags
-<operations.html#understand-release-tags>`__.
+<how-to/administrate/operations.html#understand-release-tags>`__.
 
 We have recently migrated all the helm charts from
 https://github.com/wireapp/wire-server-deploy to the