diff --git a/docs/release_notes/v0.1.0 b/docs/release_notes/v0.1.0.MD
similarity index 99%
rename from docs/release_notes/v0.1.0
rename to docs/release_notes/v0.1.0.MD
index aa12e6c7da2c77506ec5bed0bdbd9de578b1c253..5a2d89d285b11162850373bfdefb7f5d730d2b89 100644
--- a/docs/release_notes/v0.1.0
+++ b/docs/release_notes/v0.1.0.MD
@@ -68,4 +68,4 @@ Added two diagrams depicting Actions in a Kubernetes environmnet and Actions in
 ## External controller configuration
 
 The image of the Actions Runtine injected by the Kubernetes operator was until now hardcoded.
-An environment variable named ```RUNTIME_IMAGE``` for the operator container now sets the Docker image used for the sidecar container.
\ No newline at end of file
+An environment variable named ```RUNTIME_IMAGE``` for the operator container now sets the Docker image used for the sidecar container.