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@@ -37,7 +37,7 @@ future GitLab releases.**
|-------------------------------- |--------|--------|-------------|
| **CI** | all | 0.4 | Mark that job is executed in CI environment |
| **CI_COMMIT_REF_NAME** | 9.0 | all | The branch or tag name for which project is built |
-| **CI_COMMIT_REF_SLUG** | 9.0 | all | `$CI_COMMIT_REF_NAME` lowercased, shortened to 63 bytes, and with everything except `0-9` and `a-z` replaced with `-`. Use in URLs and domain names. |
+| **CI_COMMIT_REF_SLUG** | 9.0 | all | `$CI_COMMIT_REF_NAME` lowercased, shortened to 63 bytes, and with everything except `0-9` and `a-z` replaced with `-`. No leading / trailing `-`. Use in URLs, host names and domain names. |
| **CI_COMMIT_SHA** | 9.0 | all | The commit revision for which project is built |
| **CI_COMMIT_TAG** | 9.0 | 0.5 | The commit tag name. Present only when building tags. |
| **CI_DEBUG_TRACE** | all | 1.7 | Whether [debug tracing](#debug-tracing) is enabled |