Use title case
diff --git a/Doc/whatsnew/2.7.rst b/Doc/whatsnew/2.7.rst
index 300ef90..70ea41c 100644
--- a/Doc/whatsnew/2.7.rst
+++ b/Doc/whatsnew/2.7.rst
@@ -164,7 +164,7 @@
 
 .. _pep-0372:
 
-PEP 372: Adding an ordered dictionary to collections
+PEP 372: Adding an Ordered Dictionary to collections
 ====================================================
 
 Regular Python dictionaries iterate over key/value pairs in arbitrary order.