diff --git a/services/eventhistory/README.md b/services/eventhistory/README.md
index bb58114c65..08dc452737 100644
--- a/services/eventhistory/README.md
+++ b/services/eventhistory/README.md
@@ -23,6 +23,7 @@ The `eventhistory` service stores each consumed event via the configured store i
 1.  Note that in-memory stores are by nature not reboot persistent.
 2.  Though usually not necessary, a database name and a database table can be configured for event stores if the event store supports this. Generally not applicapable for stores of type `in-memory`. These settings are blank by default which means that the standard settings of the configured store applies.
 3.  Events stay in the store for 2 weeks by default. Use `EVENTHISTORY_RECORD_EXPIRY` to adjust this value.
+4.  The eventhistory service can be scaled if not using `in-memory` stores and the stores are configured identically over all instances.
 
 ## Retrieving