diff --git a/urdf_interface/manifest.xml b/urdf_interface/manifest.xml
index 2cffad1..8ebf2c1 100644
--- a/urdf_interface/manifest.xml
+++ b/urdf_interface/manifest.xml
@@ -1,6 +1,7 @@
 <package>
   <description brief="URDF C++ interface.">
-    This package contains URDF C++ interface
+    This package contains URDF C++ interface headers that define the
+    user API to the C++ URDF model.
   </description>
   <author>Wim Meeussen, John Hsu</author>
   <license>BSD</license>