diff --git a/docs/source/whatsnew/version5.rst b/docs/source/whatsnew/version5.rst
index a769f2f..343eaa7 100644
--- a/docs/source/whatsnew/version5.rst
+++ b/docs/source/whatsnew/version5.rst
@@ -2,7 +2,7 @@
  5.x Series
 ============
 
-.. _whatsnew580
+.. _whatsnew580:
 
 IPython 5.8.0
 =============