diff --git a/src/drone/docker.md b/src/drone/docker.md
index e15a134..c624aed 100644
--- a/src/drone/docker.md
+++ b/src/drone/docker.md
@@ -21,3 +21,11 @@ steps:
       cache_from:
         - registry.gitlab.com/USER/REPO/${DRONE_COMMIT_BRANCH}:latest
 ```
+
+***Replace `USER` and `REPO` by your values**
+
+## CI Variables
+
+### `docker_username`
+
+### `docker_password`