diff --git a/xwiki-mysql-tomcat/Dockerfile b/xwiki-mysql-tomcat/Dockerfile
index 451b9c74ca89f08879750231cb0c7d258dd22e23..f0946081dcb9db1bd6625432b8165c6163fc8719 100644
--- a/xwiki-mysql-tomcat/Dockerfile
+++ b/xwiki-mysql-tomcat/Dockerfile
@@ -101,4 +101,5 @@ ENTRYPOINT ["start_xwiki.sh"]
 
 # When no options are passed on the "docker run" command line we display a message explaining what environment
 # variables can be overridden.
+# Note: This is not implemented yet and FTM --info does nothing.
 CMD ["--info"]