diff --git a/adoc/deployment-airgapped.adoc b/adoc/deployment-airgapped.adoc
index df1d5452b..7070a21be 100644
--- a/adoc/deployment-airgapped.adoc
+++ b/adoc/deployment-airgapped.adoc
@@ -759,6 +759,7 @@ Edit the `sync.yaml` file and add an entry for the helm-tiller image after any o
 Verify the version of the image matches the version used in `helm init` as documented in
 link:{docurl}single-html/caasp-admin/#_installing_tiller[] and adjust the entry if needed.
 +
+[subs="attributes"]
 ----
 registry.suse.com:
     images: