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-rw-r--r--doc/topics/autodevops/index.md2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/topics/autodevops/index.md b/doc/topics/autodevops/index.md
index cbebb6a3b01..623875f48f1 100644
--- a/doc/topics/autodevops/index.md
+++ b/doc/topics/autodevops/index.md
@@ -707,7 +707,7 @@ instead of the default `ruby:latest`:
1. Add the following to a custom `Dockerfile`:
```docker
ARG RUBY_VERSION=latest
- FROM ruby:$VERSION
+ FROM ruby:$RUBY_VERSION
# ... put your stuff here
```