added enterprise edition label

Author: rao-shwe

modules/learn/pages/clusters-and-availability/xdcr-overview.adoc

@@ -278,14 +278,15 @@ Detailed information is provided in xref:manage:manage-xdcr/monitor-xdcr-replica
 
 [#xdcr-compatibility]
 == XDCR Compatibility
+[.edition]#{enterprise}#
 
-The following table indicates XDCR compatibility between different versions of Couchbase Enterprise Server, used for source and target clusters.
+The following table indicates XDCR compatibility between different versions of Couchbase Server Enterprise edition, used for source and target clusters.
 
 [cols="4,4,4,4"]
 |===
 | *Enterprise Server Version*
 | *8.0.x*
-| *7.6.6* and later
+| *7.6.6 and later versions*
 | *7.6.5*, *7.6.4*, *7.6.3*, *7.6.2*, *7.6.1*, *7.6.0*, *7.2.x*, *7.1.x*, *7.0.x*
 
 | 8.0.x