diff --git a/oslo_messaging/rpc/server.py b/oslo_messaging/rpc/server.py
index 96da08f38..9623db907 100644
--- a/oslo_messaging/rpc/server.py
+++ b/oslo_messaging/rpc/server.py
@@ -32,7 +32,7 @@ name and - optionally - the exchange to listen on. See Target for more details
 on these attributes.
 
 Multiple RPC Servers may listen to the same topic (and exchange)
-simultaineously. See RPCClient for details regarding how RPC requests are
+simultaneously. See RPCClient for details regarding how RPC requests are
 distributed to the Servers in this case.
 
 Each endpoint object may have a target attribute which may have namespace and