diff --git a/source/retryable-reads/tests/README.rst b/source/retryable-reads/tests/README.rst
index 087e3c6ab2..cc8aa3ebb1 100644
--- a/source/retryable-reads/tests/README.rst
+++ b/source/retryable-reads/tests/README.rst
@@ -267,7 +267,7 @@ Retryable Reads Are Retried on the Same Mongos if No Other Available
 --------------------------------------------------------------------
 
 1. Ensure that a test is run against a sharded cluster. If there are multiple
-   mongos-es in the cluster, pick one to test against.
+   mongoses in the cluster, pick one to test against.
 
 2. Create a client that connects to the mongos using the direct connection,
    and configure a fail point so that the mongos raises a retryable error once.