diff --git a/README.md b/README.md
index d6f7521..be3a550 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ This is Blackboard Pro. A dark theme for Visual Studio Code.
 
 ![screenshot](https://raw.githubusercontent.com/Croccifixio/blackboard-pro/main/showcase/screenshot.png)
 
-View it on the [tmTheme Editor](https://tmtheme-editor.herokuapp.com/#!/editor/url/https://raw.githubusercontent.com/croccifixio/blackboard-pro/main/showcase/blackboard-pro.tmTheme).
+~~View it on the [tmTheme Editor](https://tmtheme-editor.herokuapp.com/#!/editor/url/https://raw.githubusercontent.com/croccifixio/blackboard-pro/main/showcase/blackboard-pro.tmTheme)~~ The tmTheme Editor app no longer seems to be working (see https://github.com/aziz/tmTheme-Editor/issues/275 for more details).
 
 ## Developing