diff --git a/docs/Users_Guide/web_service.rst b/docs/Users_Guide/web_service.rst
index c3f68172..8a6306bc 100644
--- a/docs/Users_Guide/web_service.rst
+++ b/docs/Users_Guide/web_service.rst
@@ -214,7 +214,7 @@ element.
 Open App with Predefined Database
 --------------------------------
 
-Use this url to open METviewer main page with predefine database:
+Use this url to open METviewer main page with predefined database:
 
 http://www.dtcenter.org/met/metviewer/metviewer1.jsp?db=name_of_database