diff --git a/README.md b/README.md
index a873f021d..51dc01592 100644
--- a/README.md
+++ b/README.md
@@ -109,7 +109,7 @@ Tags:
 * `#performance` - kind of checks that detect potential performance issues in code
 * `#experimental` - check is under testing and development. Disabled by default
 * `#opinionated` - check can be unwanted for some people. Disabled by default
-* `#security` -  kind of checks that find security issues in code
+* `#security` -  kind of checks that find security issues in code. Disabled by default and empty, so will fail if enabled.
 
 ## Contributing