Fix configuration file, ref f2ee249.

Author: ionelmc

.bumpversion.cfg

@@ -7,10 +7,14 @@ tag = True
 search = version='{current_version}'
 replace = version='{new_version}'
 
-[bumpversion:file:README.rst]
+[bumpversion:file (badge):README.rst]
 search = /v{current_version}.svg
 replace = /v{new_version}.svg
 
+[bumpversion:file (link):README.rst]
+search = /v{current_version}...master
+replace = /v{new_version}...master
+
 [bumpversion:file:docs/conf.py]
 search = version = release = '{current_version}'
 replace = version = release = '{new_version}'