diff --git a/Mermaid-Diagram.md b/Mermaid-Diagram.md
index 627e778..fb24d8f 100644
--- a/Mermaid-Diagram.md
+++ b/Mermaid-Diagram.md
@@ -1,3 +1,7 @@
+## DOES NOT WORK ANYMORE
+
+As of newest Mermaid 10.0.0, Mermaid does not work in WeKan anymore, so Mermaid was removed in WeKan v6.76. xet7 did maintain https://www.npmjs.com/package/@wekanteam/markdown-it-mermaid but after updating to Mermaid 10.0.0 using Mermaid on WeKan card description etc did not work anymore.
+
 ## Source
 
 - [Original issue, please comment there if Mermaid is useful](https://github.com/wekan/wekan/issues/3794).