diff --git a/datacenter/dtr/2.3/guides/admin/configure/external-storage/index.md b/datacenter/dtr/2.3/guides/admin/configure/external-storage/index.md
index a882dd739c..dd3a2d9d29 100644
--- a/datacenter/dtr/2.3/guides/admin/configure/external-storage/index.md
+++ b/datacenter/dtr/2.3/guides/admin/configure/external-storage/index.md
@@ -64,7 +64,7 @@ $(dirname $(docker volume inspect --format '{{.Mountpoint}}' dtr-registry-<dtr-r
 
 ## NFS
 
-You can configure your DTR replicas to store images on a NFS partition, so that
+You can configure your DTR replicas to store images on an NFS partition, so that
 all replicas can share the same storage backend.
 
 [Learn how to configure DTR with NFS](nfs.md).