Merge pull request #20580 from liangxia/bz1814932

Bug 1814932: Fix var name

Author: kalexand-rh

modules/installation-adding-registry-pull-secret.adoc

@@ -75,7 +75,7 @@ The contents of the file resemble the following example:
   },
 ...
 ----
-<1> For `bastion_host_name`, specify the registry domain name
+<1> For `<local_registry_host_name>`, specify the registry domain name
 that you specified in your certificate, and for `<local_registry_host_port>`,
 specify the port that your mirror registry uses to serve content.
 <2> For `<credentials>`, specify the base64-encoded user name and password for