diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 0000000..de175e0
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,21 @@
+## Contributing
+### Local testing
+Prepare `.env` file in the repo root with next content (replace <xxx> placeholders with actual values):
+```
+GITHUB_REPOSITORY="<OWNER/REPO>"
+GITHUB_REF="refs/heads/<BRANCH>"
+GITHUB_REF_NAME="<BRANCH>"
+GITHUB_TOKEN="<GITHUB PAT TOKEN WITH REPO AND USERS READ PERMISSIONS>"
+GITHUB_ACTION='.'
+INPUT_SHA_FROM=<FROM COMMIT>
+INPUT_SHA_TO=<TO COMMIT>
+INPUT_CODEWATCHERS=".github/CODEWATCHERS"
+INPUT_IGNORE_OWN=false
+```
+
+Before first run `npm install`, and then `npm test`
+
+
+### Build and Commit
+Ensure to run `npm run build` before commit to update `dist` folder.
+
diff --git a/README.md b/README.md
index 5f03a8f..4f30d69 100644
--- a/README.md
+++ b/README.md
@@ -79,27 +79,5 @@ Simplified version of output looks next (there are more fields):
 ## Usage Example
 See full example workflow in [examples](examples/)
 
-## Contribution
-### Local testing
-Prepare `.env` file in the repo root with next content (replace <xxx> placeholders with actual values):
-```
-GITHUB_REPOSITORY="<OWNER/REPO>"
-GITHUB_REF="refs/heads/<BRANCH>"
-GITHUB_REF_NAME="<BRANCH>"
-GITHUB_TOKEN="<GITHUB PAT TOKEN WITH REPO AND USERS READ PERMISSIONS>"
-GITHUB_ACTION='.'
-INPUT_SHA_FROM=<FROM COMMIT>
-INPUT_SHA_TO=<TO COMMIT>
-INPUT_CODEWATCHERS=".github/CODEWATCHERS"
-INPUT_IGNORE_OWN=false
-```
-
-Before first run `npm install`, and then `npm test`
-
-
-### Build and Commit
-Ensure to run `npm run build` before commit to update `dist` folder.
-
-
 ## Known limitations
 * Only up to 3000 files from each commit can be matched (Limitation of [Get a commit](https://docs.github.com/en/rest/commits/commits?apiVersion=2022-11-28#get-a-commit) GitHub API )