Standardise on sentence case for titles
diff --git a/docs/development/submitting-patches.rst b/docs/development/submitting-patches.rst
index 1797b9c..f1bf954 100644
--- a/docs/development/submitting-patches.rst
+++ b/docs/development/submitting-patches.rst
@@ -1,4 +1,4 @@
-Submitting Patches
+Submitting patches
==================
* Always make a new branch for your work.
@@ -29,7 +29,7 @@
from __future__ import absolute_import, division, print_function
-API Considerations
+API considerations
~~~~~~~~~~~~~~~~~~
Most projects' APIs are designed with a philosophy of "make easy things easy,