diff --git a/cool-root-doc.md b/cool-root-doc.md
index c9f60b5..21ea983 100644
--- a/cool-root-doc.md
+++ b/cool-root-doc.md
@@ -29,7 +29,7 @@ graph TD
     end
 ```
 ## Main sequence diagram
-```sequence
+```sequenceDiagram
     participant User
     participant LendingPool (L2Pool)
     participant AToken