diff --git a/doc/source/conf.py b/doc/source/conf.py
index 58dc9fa..43589f7 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -45,7 +45,7 @@ extensions += ['sphinx_pyreverse']
 extensions += ['sphinxcontrib.autoyaml']
 autoyaml_level = 5
 
-## Graphviz
+# Graphviz
 extensions += [
     "sphinx.ext.graphviz"
 ]