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diff --git a/charts/k8s-gerrit/container-images/gerrit/README.md b/charts/k8s-gerrit/container-images/gerrit/README.md
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+# Gerrit image
+
+Container image for a Gerrit instance
+
+## Content
+
+* the [gerrit-base](../gerrit-base/README.md) image
+* `/var/tools/start`: start script
+
+## Start
+
+* starts Gerrit via start script `/var/tools/start` either as primary or replica
+  depending on the provided `gerrit.config`