Merge branch 'fix-misleading-parameter-description' into 'master'

Modify misleading parameter description

See merge request gitlab-org/gitlab!77978

doc/api/pipelines.md

@@ -280,7 +280,7 @@ POST /projects/:id/pipeline
 | Attribute   | Type    | Required | Description         |
 |-------------|---------|----------|---------------------|
 | `id`        | integer/string | yes | The ID or [URL-encoded path of the project](index.md#namespaced-path-encoding) owned by the authenticated user |
-| `ref`       | string  | yes      | Reference to commit |
+| `ref`       | string  | yes      | The branch or tag to run the pipeline on. |
 | `variables` | array   | no       | An array containing the variables available in the pipeline, matching the structure `[{ 'key': 'UPLOAD_TO_S3', 'variable_type': 'file', 'value': 'true' }, {'key': 'TEST', 'value': 'test variable'}]`. If `variable_type` is excluded, it defaults to `env_var`. |
 
 ```shell