diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 314b3f8..b989c78 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -35,10 +35,11 @@ GitHub App + Gemini key wired up.
 
 ## Before you open a PR
 
-Run the linter — this is what CI checks:
+Run the same checks CI runs:
 
 ```bash
 npm run lint       # ESLint
+npm run check      # Prettier formatting
 ```
 
 `npm run format` auto-formats your changes with Prettier and applies ESLint
diff --git a/package-lock.json b/package-lock.json
index 87ce429..f3f9758 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,6 +5,7 @@
   "packages": {
     "": {
       "name": "jargons",
+      "license": "PolyForm-Noncommercial-1.0.0",
       "dependencies": {
         "@opentelemetry/api": "^1.9.1",
         "@opentelemetry/api-logs": "^0.220.0",