diff --git a/DESCRIPTION b/DESCRIPTION
index 1503e49..6f2ccf2 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -8,7 +8,8 @@ License: GPL-3
 Date: 2017-02-22
 URL: http://github.com/ropensci/europepmc/
 BugReports: http://github.com/ropensci/europepmc/issues
-Description: An R Client for the Europe PubMed Central RESTful Web Service. It
+Description: An R Client for the Europe PubMed Central RESTful Web Service 
+    (see <https://europepmc.org/RestfulWebService> for more information). It
     gives access to both metadata on life science literature and open access
     full texts. Europe PMC indexes all PubMed content and other literature
     sources including Agricola, a bibliographic database of citations to the