update

README.md

@@ -41,6 +41,7 @@ Options:
   --user    Linux local username of runner
   --labels  Extra labels for the runner
   --token   Runner registration token, takes precedence over MR_GITHUB_PAT
+  --dotenv  The lines to set in runner's '.env' files
   -h --help Show this help.
 ```
 
@@ -136,7 +137,7 @@ runs-on: [self-hosted, ${{ github.repository }}]
 ### Set environment variables into runners process
 As described in GitHub official document, there's an approach to [inject environment variables into runners process](https://docs.github.com/en/actions/hosting-your-own-runners/managing-self-hosted-runners/using-a-proxy-server-with-self-hosted-runners#using-a-env-file-to-set-the-proxy-configuration) via the `.env` file before configuring or starting the self-hosted runners. This can be achieved via the `--dotenv` option, for example:
 ```bash
-./mr.bash add --org <ORG-NAME> --repo <REPO-NAME> --dotenv 'TZ=Asia/Shanghai' --dotenv 'PATH=\$PATH:/mybin'
+./mr.bash add --org <ORG> --repo <REPO> --dotenv 'TZ=Asia/Shanghai' --dotenv 'PATH=\$PATH:/mybin'
 ```
 Then the following lines will be added to `.env` file located in self-hosted runner's directory before its configuring and starting:
 ```plain