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-rw-r--r--doc/ci/docker/using_docker_images.md4
1 files changed, 2 insertions, 2 deletions
diff --git a/doc/ci/docker/using_docker_images.md b/doc/ci/docker/using_docker_images.md
index ef8a7ec1e86..64e52eba3a2 100644
--- a/doc/ci/docker/using_docker_images.md
+++ b/doc/ci/docker/using_docker_images.md
@@ -60,11 +60,11 @@ This is image that have fully preconfigured `wordpress` and have `MySQL` server
```
Next time when you run your application the `tutum/wordpress` will be started
-and you will have access to it from your build container under hostname: `tutum_wordpress`.
+and you will have access to it from your build container under hostname: `tutum__wordpress`.
Alias hostname for the service is made from the image name:
1. Everything after `:` is stripped,
-2. '/' is replaced to `_`.
+2. '/' is replaced with `__`.
### Configuring services
Many services accept environment variables, which allow you to easily change database names or set account names depending on the environment.