diff --git a/packages/eslint/src/plugins/plugin.ts b/packages/eslint/src/plugins/plugin.ts
index bc244de40ab6aa..e95f4ecb7cc537 100644
--- a/packages/eslint/src/plugins/plugin.ts
+++ b/packages/eslint/src/plugins/plugin.ts
@@ -229,7 +229,7 @@ function normalizeOptions(options: EslintPluginOptions): EslintPluginOptions {
   options ??= {};
   options.targetName ??= 'lint';
 
-  // Normalize user input for lintableFiles (strip leading . characters)
+  // Normalize user input for extensions (strip leading . characters)
   if (Array.isArray(options.extensions)) {
     options.extensions = options.extensions.map((f) => f.replace(/^\.+/, ''));
   } else {