Fix rosa describe command

bmcelvee · bmcelvee · commit f777f31bc432 · 2023-05-24T14:24:41.000-04:00
diff --git a/modules/rosa-parent-commands.adoc b/modules/rosa-parent-commands.adoc
@@ -61,5 +61,5 @@ Shows the details for a cluster.
 .Example
 [source,terminal]
 ----
-$ rosa describe --cluster=mycluster
+$ rosa describe cluster --cluster=mycluster
 ----
