diff --git a/docs/source/how-to/index.md b/docs/source/how-to/index.md
index 3226780..8bee4f4 100644
--- a/docs/source/how-to/index.md
+++ b/docs/source/how-to/index.md
@@ -33,7 +33,6 @@ configuration/use-schema-registry
 virtual-accelerator/apptainer
 ```
 
-
 ```{toctree}
 :maxdepth: 1
 :caption: Contribute