diff --git a/doc/glossary.rst b/doc/glossary.rst
index 29cf6c4c7e6..7afeebbed35 100644
--- a/doc/glossary.rst
+++ b/doc/glossary.rst
@@ -1,5 +1,9 @@
 :orphan: true
 
+========
+Glossary
+========
+
 .. glossary::
 
     external id