diff --git a/xml/System.Windows.Navigation/BaseUriHelper.xml b/xml/System.Windows.Navigation/BaseUriHelper.xml
index 8eb081261f8..b0c2479a3b2 100644
--- a/xml/System.Windows.Navigation/BaseUriHelper.xml
+++ b/xml/System.Windows.Navigation/BaseUriHelper.xml
@@ -32,7 +32,8 @@
4.0.0.0
- To be added.
+ Gets or sets the base uniform resource identifier (URI).
+ The base uniform resource identifier (URI).
To be added.