Minor changes [skip ci]

Chilipp · Chilipp · commit 31e988634809 · 2017-07-27T22:19:21.000+02:00
diff --git a/docs/requirements.txt b/docs/requirements.txt
@@ -1,3 +1,3 @@
 # Sphinx
 #   https://github.com/sphinx-doc/sphinx/blob/master/CHANGES
-sphinx==1.5.2 # rq.filter: >=1.3, <1.6
+sphinx==1.6.3 # rq.filter: >=1.3, <1.7
