diff --git a/docs/tutorial/tut5.rst b/docs/tutorial/tut5.rst
index 7c8bc432..d94eab8c 100644
--- a/docs/tutorial/tut5.rst
+++ b/docs/tutorial/tut5.rst
@@ -1,7 +1,7 @@
 .. _tut5:
 
 Part 5: Asynchronous Operation and Events
-==========================================
+=========================================
 
 Asynchronism
 ------------