[DCAE] doc fixes for label

Change-Id: I7d86366d6e063f0d28b3b5855010c47507ab89fb
Signed-off-by: VENKATESH KUMAR <vv770d@att.com>
Issue-ID: DCAEGEN2-2506
(cherry picked from commit 7f3e45350694325f57707cfb4cf94458472aac67)
diff --git a/docs/sections/installation.rst b/docs/sections/installation.rst
index 18fe77f..38cec81 100644
--- a/docs/sections/installation.rst
+++ b/docs/sections/installation.rst
@@ -1,5 +1,6 @@
 .. This work is licensed under a Creative Commons Attribution 4.0 International License.
 .. http://creativecommons.org/licenses/by/4.0
+.. _installation:
 
 DCAE Deployment (Installation)
 ==============================