DOCS: Replaces broken links

Replaces all links in the docs which have become outdated. This also
includes email addresses which are no longer active.

Change-Id: I6830237c311d2785efd78d5753b8393b1ba06234
Signed-off-by: Matthew Dalzell <matthew.dalzell@arm.com>
diff --git a/docs/contributing/code_review_guide.rst b/docs/contributing/code_review_guide.rst
index 5b260c2..43088e5 100644
--- a/docs/contributing/code_review_guide.rst
+++ b/docs/contributing/code_review_guide.rst
@@ -5,7 +5,8 @@
 the code review process.
 
 Please contact :doc:`maintainers </contributing/maintainers>` or write an e-mail
-thread on the `TF-M mailing list <mailto:tf-m@lists.trustedfirmware.org>`_ for
+thread on the TF-M mailing list
+`tf-m@lists.trustedfirmware.org <mailto:tf-m@lists.trustedfirmware.org>`_ for
 any questions.
 
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