diff --git a/datacenter/ucp/2.1/reference/cli/upgrade.md b/datacenter/ucp/2.1/reference/cli/upgrade.md
index 79632db58d..b1bafb8e19 100644
--- a/datacenter/ucp/2.1/reference/cli/upgrade.md
+++ b/datacenter/ucp/2.1/reference/cli/upgrade.md
@@ -8,7 +8,7 @@ Upgrade the UCP components on this node
 
 ## Description
 
-This commands upgrades the UCP running on this node.
+This command upgrades the UCP running on this node.
 To upgrade UCP:
 
   * Upgrade the Docker Engine in all nodes (optional)