diff --git a/Doc/howto/clinic.rst b/Doc/howto/clinic.rst
index f6bf1d2234f..933fecab9dd 100644
--- a/Doc/howto/clinic.rst
+++ b/Doc/howto/clinic.rst
@@ -582,8 +582,8 @@ How-to guides
 =============
 
 
-How to to rename C functions and variables generated by Argument Clinic
------------------------------------------------------------------------
+How to rename C functions and variables generated by Argument Clinic
+--------------------------------------------------------------------
 
 Argument Clinic automatically names the functions it generates for you.
 Occasionally this may cause a problem, if the generated name collides with