Update modules/ROOT/pages/upgrading.adoc

Co-authored-by: Ben Brooks <ben.brooks@couchbase.com>

Author: iamfortune

modules/ROOT/pages/upgrading.adoc

@@ -50,7 +50,7 @@ At a high level, a rolling upgrade consists of the following steps:
 
 . The upgrade runs on the given node.
 
-. The load balancer re-balances HTTP traffic across all nodes.
+. The load balancer configuration resumes traffic to the upgraded node.
 
 Those steps are then repeated for each node in the {sgw} cluster.