Fix links.

CONTRIBUTING.md

@@ -20,14 +20,14 @@ to tell us about a spelling mistake,
 some awkward wording,
 or a factual error.
 
-1.  If you do not have access to [UNL's GitLab instance][http://git.unl.edu],
-    you can [send us comments by email][contact].
+1.  If you do not have access to [UNL's GitLab instance](http://git.unl.edu),
+    you can [send us comments by email](mailto:hcc-support@unl.edu).
     However,
     we will be able to respond more quickly if you use one of the other methods described below.
 
-2.  If you have access to [UNL's GitLab instance][http://git.unl.edu],
+2.  If you have access to [UNL's GitLab instance](http://git.unl.edu),
     but do not know how to use Git,
-    you can report problems or suggest improvements by [creating an issue][issues].
+    you can report problems or suggest improvements by [creating an issue](https://git.unl.edu/hcc/hcc-docs/issues/new).
     This allows us to assign the item to someone
     and to respond to it in a threaded discussion. Detailed information on creating 
     issues can be found in the [GitLab Documentation](https://docs.gitlab.com/ee/user/project/issues/managing_issues.html)
@@ -39,7 +39,7 @@ or a factual error.
 
 ## Where to Contribute
 
-1.  Checking for outstanding [issues](issues) is a quick way to identify contribution areas. Additionally,
+1.  Checking for outstanding [issues](https://git.unl.edu/hcc/hcc-docs/issues) is a quick way to identify contribution areas. Additionally,
     review an comments on existing merge requests are welcome.
 
 2.  All documentation content can be found within the `content` folder. Subdirectories indicate menu items,
@@ -52,7 +52,7 @@ adhere to [UNL style guidelines](https://wdn.unl.edu/unl-web-framework-5-standar
 
 There are many ways to contribute,
 from contributing additional documentation topics or submitting software specific job examples, 
-to updating or adding to existing documentation and submitting [bug reports][issues]
+to updating or adding to existing documentation and submitting [bug reports](https://git.unl.edu/hcc/hcc-docs/issues)
 about things that don't work, aren't clear, or are missing.
 
 Comments on issues and reviews of pull requests are just as welcome: