diff --git a/docs/data/osdf/install-cache-container.md b/docs/data/osdf/install-cache-container.md
index 28502155a..c559f3e94 100644
--- a/docs/data/osdf/install-cache-container.md
+++ b/docs/data/osdf/install-cache-container.md
@@ -68,15 +68,20 @@ This document will use `/etc/osdf-cache/config.yaml` as the name of the configur
 Create `/etc/osdf-cache/config.yaml` with the following contents:
 ```file
 Federation:
-  DiscoveryUrl: "https://osg-htc.org"
+  DiscoveryUrl: "osg-htc.org"
 
 Cache:
   Port: 8443
 # XRootD:
 #   Sitename: <RESOURCE NAME REGISTERED WITH OSG>
+
+Server:
+  Hostname: "https://<FQDN>"
 ```
-You will uncomment and fill in the value for `XRootD.Sitename` in a later step, after registration is complete.
 
+Replacing `<FQDN>` with the externally-accessible FQDN of your cache service
+(this should match one of the SANs in your host certificate).
+You will also uncomment and fill in the value for `XRootD.Sitename` in a later step, after registration is complete.
 
 Preparing for Initial Startup
 -----------------------------
diff --git a/docs/data/osdf/install-origin-container.md b/docs/data/osdf/install-origin-container.md
index 9d4cefe07..32f4e5baf 100644
--- a/docs/data/osdf/install-origin-container.md
+++ b/docs/data/osdf/install-origin-container.md
@@ -65,8 +65,13 @@ Create `/etc/osdf-origin/config.yaml` with the following contents:
 Origin:
 # XRootD:
 #   Sitename: <RESOURCE NAME REGISTERED WITH OSG>
+
+Server:
+  Hostname: "<FQDN>"
 ```
-You will uncomment and fill in the value for `XRootD.Sitename` in a later step, after registration is complete.
+Replacing `<FQDN>` with the externally-accessible FQDN of your cache service
+(this should match one of the SANs in your host certificate).
+You will also uncomment and fill in the value for `XRootD.Sitename` in a later step, after registration is complete.
 
 You must tell Pelican the data to export to the federation.
 An origin may export one or more directory trees, or one or more S3 buckets -- follow one of the sections below.