1 files changed, 2 insertions, 1 deletions
diff --git a/doc/ci/services/index.md b/doc/ci/services/index.md
index 4114833d1c8..51df8c102f7 100644
--- a/doc/ci/services/index.md
+++ b/doc/ci/services/index.md
@@ -259,7 +259,8 @@ test:
 | `name`       | yes, when used with any other option  | 9.4 | Full name of the image to use. If the full image name includes a registry hostname, use the `alias` option to define a shorter service access name. For more information, see [Accessing the services](#accessing-the-services). |
 | `entrypoint` | no     | 9.4 |Command or script to execute as the container's entrypoint. It's translated to Docker's `--entrypoint` option while creating the container. The syntax is similar to [`Dockerfile`'s `ENTRYPOINT`](https://docs.docker.com/engine/reference/builder/#entrypoint) directive, where each shell token is a separate string in the array. |
 | `command`    | no       | 9.4 |Command or script that should be used as the container's command. It's translated to arguments passed to Docker after the image's name. The syntax is similar to [`Dockerfile`'s `CMD`](https://docs.docker.com/engine/reference/builder/#cmd) directive, where each shell token is a separate string in the array. |
-| `alias` (1)     | no       | 9.4 |Additional alias that can be used to access the service from the job's container. Read [Accessing the services](#accessing-the-services) for more information. |
+| `alias` (1)     | no       | 9.4 | Additional alias that can be used to access the service from the job's container. Read [Accessing the services](#accessing-the-services) for more information. |
+| `variables`     | no       | 14.5 | Additional environment variables that are passed exclusively to the service. The syntax is the same as [Job Variables](../variables/index.md). |
 
 (1) Alias support for the Kubernetes executor was [introduced](https://gitlab.com/gitlab-org/gitlab-runner/-/issues/2229) in GitLab Runner 12.8, and is only available for Kubernetes version 1.7 or later.