fixed wrong label 'Istanbul' to  'Latest'

Issue-ID: DOC-771

Signed-off-by: thmsdt <thomas.kulik@telekom.de>
Change-Id: I99b8df907375785c55e398278746d15c51e14e2c
diff --git a/docs/conf.py b/docs/conf.py
index 75871c4..1281517 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -1,8 +1,5 @@
 from docs_conf.conf import *
 
-# Change the line below from 'latest' to '<Name_of_the_new_ONAP_Release>' after
-# you have create the new branch for the 'doc' project.
-branch = 'latest'
 doc_url = 'https://docs.onap.org/projects'
 master_doc = 'index'
 
@@ -14,7 +11,8 @@
 # branch for the 'doc' project.
 #
 
-# Istanbul
+# Latest
+branch = 'latest'
 intersphinx_mapping['onap-aai-aai-common'] = ('{}/onap-aai-aai-common/en/%s'.format(doc_url) % branch, None)
 intersphinx_mapping['onap-aai-sparky-be'] = ('{}/onap-aai-sparky-be/en/%s'.format(doc_url) % branch, None)
 intersphinx_mapping['onap-ccsdk-apps'] = ('{}/onap-ccsdk-apps/en/%s'.format(doc_url) % branch, None)