diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 41e8188f5824..278f79ddc484 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -49,7 +49,7 @@ Password (again): ***
 ```sh
 cd cvat-core && npm install
 cd ../cvat-ui && npm install
-npm run start
+npm start
 ```
 
 - Run Visual Studio Code from the virtual environment
diff --git a/cvat-ui/package-lock.json b/cvat-ui/package-lock.json
index a10d1935690b..f9712e524f69 100644
--- a/cvat-ui/package-lock.json
+++ b/cvat-ui/package-lock.json
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diff --git a/cvat-ui/package.json b/cvat-ui/package.json
index 9c5edd2fe6a1..e0f3c3ec1212 100644
--- a/cvat-ui/package.json
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