diff --git a/packages/webpack-cli/lib/utils/cli-flags.js b/packages/webpack-cli/lib/utils/cli-flags.js
index b24410f2c84..7a3476a64a3 100644
--- a/packages/webpack-cli/lib/utils/cli-flags.js
+++ b/packages/webpack-cli/lib/utils/cli-flags.js
@@ -182,6 +182,7 @@ const builtInFlags = [
         type: Boolean,
         negative: true,
         description: 'Stop watching when stdin stream has ended.',
+        negatedDescription: 'Do not stop watching when stdin stream has ended.',
     },
 ];