diff --git a/docs/introduction/di_in_python.rst b/docs/introduction/di_in_python.rst
index 8c164ab6..7822e964 100644
--- a/docs/introduction/di_in_python.rst
+++ b/docs/introduction/di_in_python.rst
@@ -200,7 +200,7 @@ Also monkey-patching is a way too dirty to be used outside of the testing code f
 reconfiguring the project for the different environments.
 
 Conclusion
----------
+----------
 
 Dependency injection brings you 3 advantages: