DOC-5952 RS: Fixed FQDN typo on upgrade A-A DB page (#2402)

Author: rrelledge

content/operate/rs/7.22/installing-upgrading/upgrading/upgrade-active-active.md

@@ -100,7 +100,7 @@ without upgrading the CRDB protocol version.
     crdb-cli crdb list
     ```
 
-    Look for the fully qualified domain name (CLUSTER-FDQN) of your cluster and use the associated GUID:
+    Look for the fully qualified domain name (CLUSTER-FQDN) of your cluster and use the associated GUID:
 
     ```sh
     CRDB-GUID                             NAME    REPL-ID  CLUSTER-FQDN

content/operate/rs/7.4/installing-upgrading/upgrading/upgrade-active-active.md

@@ -104,7 +104,7 @@ without upgrading the CRDB protocol version.
     crdb-cli crdb list
     ```
 
-    Look for the fully qualified domain name (CLUSTER-FDQN) of your cluster and use the associated GUID:
+    Look for the fully qualified domain name (CLUSTER-FQDN) of your cluster and use the associated GUID:
 
     ```sh
     CRDB-GUID                             NAME    REPL-ID  CLUSTER-FQDN

content/operate/rs/7.8/installing-upgrading/upgrading/upgrade-active-active.md

@@ -100,7 +100,7 @@ without upgrading the CRDB protocol version.
     crdb-cli crdb list
     ```
 
-    Look for the fully qualified domain name (CLUSTER-FDQN) of your cluster and use the associated GUID:
+    Look for the fully qualified domain name (CLUSTER-FQDN) of your cluster and use the associated GUID:
 
     ```sh
     CRDB-GUID                             NAME    REPL-ID  CLUSTER-FQDN

content/operate/rs/installing-upgrading/upgrading/upgrade-active-active.md

@@ -106,7 +106,7 @@ If the feature set version is old, as indicated by the `OLD CRDB FEATURESET VERS
     crdb-cli crdb list
     ```
 
-    Look for the fully qualified domain name (`CLUSTER-FDQN`) of your cluster and use the associated `GUID`:
+    Look for the fully qualified domain name (`CLUSTER-FQDN`) of your cluster and use the associated `GUID`:
 
     ```sh
     CRDB-GUID                             NAME    REPL-ID  CLUSTER-FQDN