docs: Decouple refrences from /docs folder

Signed-off-by: Anton Komlev <anton.komlev@arm.com>
Change-Id: I1955201382074eb9e6dd80aadbc456eb09aecb22
diff --git a/docs/technical_references/design_docs/source_structure.rst b/docs/technical_references/design_docs/source_structure.rst
index b2de0dd..74219d0 100644
--- a/docs/technical_references/design_docs/source_structure.rst
+++ b/docs/technical_references/design_docs/source_structure.rst
@@ -6,7 +6,7 @@
 :Contact: tf-m@lists.trustedfirmware.org
 
 .. note::
-  Reference the document :doc:`Glossary </docs/glossary>` for terms
+  Reference the document :doc:`Glossary </glossary>` for terms
   and abbreviations.
 
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