diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index b062265..8aeeed3 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -5,9 +5,9 @@ We are glad you are reading this, because we need volunteer works to improve vt-
 Please write tests for every functionality.
 
 ## Submitting changes
-Please send a [GitHub Pull Request to the dev branch](https://github.com/ibesora/vt-optimizer/pull/new/master), so that @ibesora can merge to master when everything is documented and is ready to go after passing all tests.
+Please send a [GitHub Pull Request to the dev branch](https://github.com/ibesora/vt-optimizer/pull/new/dev), so that @ibesora can merge to master when everything is documented and is ready to go after passing all tests.
 
 ## Coding conventions
-FIXME.
+We use [eslint-config-geostart](https://github.com/geostarters/eslint-config-geostart).
 
 Thank you.
diff --git a/package.json b/package.json
index de8bcdd..5f0d1b8 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "coveralls": "^3.0.2",
     "eslint": "^5.7.0",
     "eslint-config-geostart": "git+https://github.com/geostarters/eslint-config-geostart.git",
-    "npm-run-all": "^4.1.3",
+    "npm-run-all": "^4.1.5",
     "tap": "^12.0.1"
   }
 }