docs+build: Prepare release of version 0.4.0

Change-Id: Ibd3129da74afa24a35115789a517e562f0a12639
Refs: #3178
diff --git a/docs/conf.py b/docs/conf.py
index 37384b8..f50b01b 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -30,7 +30,7 @@
 # ones.
 extensions = [
     'sphinx.ext.todo',
-    'redmine_issue',
+    'redmine_issue'
 ]
 
 def addExtensionIfExists(extension):
@@ -260,7 +260,7 @@
 #man_show_urls = False
 
 doxylink = {
-  'NFD' : ('NFD.tag', 'doxygen/'),
+  'nfd' : ('NFD.tag', 'doxygen/'),
 }
 
 if os.getenv('GOOGLE_ANALYTICS', None):