diff --git a/docs/releases/v1.40.0.md b/docs/releases/v1.40.0.md
index fa69661bf4..b5ef87ffe1 100644
--- a/docs/releases/v1.40.0.md
+++ b/docs/releases/v1.40.0.md
@@ -119,7 +119,7 @@ module.exports = {
       'error', // if you want to opt in to strict checks early
       {
         excludedTargetPackages: [
-          '@internal/plugin-foo,
+          '@internal/plugin-foo',
           // ...
 ```