Docs: Link the Docs + Small Fixes

Change-Id: I129f7ac3173a1cdf5b99801702b73dda1f05c115
Signed-off-by: Elena Uziunaite <elena.uziunaite@arm.com>
diff --git a/docs/index.rst b/docs/index.rst
index 89e5a81..3e74f3a 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -82,7 +82,7 @@
 
 .. toctree::
   :caption: Overview
-  :maxdepth: 1
+  :titlesonly:
   :hidden:
 
   Partitions <partitions/index>
@@ -94,6 +94,8 @@
   :hidden:
 
   Trusted Firmware-M <https://trustedfirmware-m.readthedocs.io/en/latest/>
+  TF-M Tests <https://trustedfirmware-m.readthedocs.io/projects/tf-m-tests/en/latest/>
+  TF-M Tools <https://trustedfirmware-m.readthedocs.io/projects/tf-m-tools/en/latest/>
 
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