diff --git a/Specification Website Sale Helm.md b/Specification Website Sale Helm.md
index 5bb65400..e2c88ede 100644
--- a/Specification Website Sale Helm.md	
+++ b/Specification Website Sale Helm.md	
@@ -18,4 +18,4 @@ graph TD
 
 The object model:
 
-![[Specification Website Sale Helm.svg]]
\ No newline at end of file
+![[Specification Website Sale Helm.excalidraw|Specification Website Sale Helm.excalidraw]]
\ No newline at end of file
diff --git a/attachments/Specification Website Sale Helm.md b/attachments/Specification Website Sale Helm.excalidraw.md
similarity index 100%
rename from attachments/Specification Website Sale Helm.md
rename to attachments/Specification Website Sale Helm.excalidraw.md
diff --git a/attachments/Specification Website Sale Helm.svg b/attachments/Specification Website Sale Helm.excalidraw.svg
similarity index 100%
rename from attachments/Specification Website Sale Helm.svg
rename to attachments/Specification Website Sale Helm.excalidraw.svg