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diff --git a/docs/source/markdown/options/hostname.pod.md b/docs/source/markdown/options/hostname.pod.md
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--- a/docs/source/markdown/options/hostname.pod.md
+++ b/docs/source/markdown/options/hostname.pod.md
@@ -4,4 +4,7 @@
####> are applicable to all of those.
#### **--hostname**=*name*
-Set a hostname to the pod.
+Set the pod's hostname inside all containers.
+
+The given hostname is also added to the `/etc/hosts` file using the container's
+primary IP address (also see the **--add-host** option).