diff --git a/package.json b/package.json
index b574d42df..d19a938de 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,7 @@
   "scripts": {
     "coverage:spec": "ts-node tools/src/coverage/coverage.ts",
     "dump-cluster-spec": "ts-node tools/src/dump-cluster-spec/dump-cluster-spec.ts",
+    "generate-types": "ts-node tools/src/tester/_generate_story_types.ts",
     "lint:spec": "ts-node tools/src/linter/lint.ts",
     "lint": "eslint . --report-unused-disable-directives",
     "lint--fix": "eslint . --fix --report-unused-disable-directives",
diff --git a/tools/src/tester/_generate_story_types.ts b/tools/src/tester/_generate_story_types.ts
index d4ab6271e..d520fc02d 100644
--- a/tools/src/tester/_generate_story_types.ts
+++ b/tools/src/tester/_generate_story_types.ts
@@ -28,7 +28,7 @@ void js2ts.compile(schema, 'Story',
 * This file was automatically generated by json-schema-to-typescript.
 * DO NOT MODIFY IT BY HAND. Instead, modify the source JSONSchema file,
 * and run json-schema-to-typescript to regenerate this file by running:
-* "npx ts-node tools/src/tester/_generate_story_types.ts" in a terminal.
+* "npm run generate-types" in a terminal.
 */
 `
   })
diff --git a/tools/src/tester/types/story.types.ts b/tools/src/tester/types/story.types.ts
index 8ad3bf134..2a98e5aab 100644
--- a/tools/src/tester/types/story.types.ts
+++ b/tools/src/tester/types/story.types.ts
@@ -14,7 +14,7 @@
  * This file was automatically generated by json-schema-to-typescript.
  * DO NOT MODIFY IT BY HAND. Instead, modify the source JSONSchema file,
  * and run json-schema-to-typescript to regenerate this file by running:
- * "npx ts-node tools/src/tester/_generate_story_types.ts" in a terminal.
+ * "npm run generate-types" in a terminal.
  */
 
 /**