diff --git a/datacenter/ucp/2.1/guides/admin/install/system-requirements.md b/datacenter/ucp/2.1/guides/admin/install/system-requirements.md
index 0bb6525279..be46f5bd57 100644
--- a/datacenter/ucp/2.1/guides/admin/install/system-requirements.md
+++ b/datacenter/ucp/2.1/guides/admin/install/system-requirements.md
@@ -45,7 +45,7 @@ When installing UCP on a host, make sure the following ports are open:
 | managers          |    in     | TCP 12387               | Port for the metrics service                                                      |
 
 Also, make sure the networks you're using allow the UCP components to
-communicate before they timming out.
+communicate before they timing out.
 
 | Component                              | Timeout (ms) | Configurable |
 |:---------------------------------------|:-------------|:-------------|