Update DESCRIPTION

Co-authored-by: Rachael Stickland <50215726+RayStick@users.noreply.github.com>

Author: BatoolMM

DESCRIPTION

@@ -27,7 +27,7 @@ Description: Prior to gaining full access to health datasets, explore
     package has been developed and tested on metadata files from this
     gateway only.
 License: GPL (>= 3)
-URL: URL: https://docs.ropensci.org/mapmetadata/
+URL: https://docs.ropensci.org/mapmetadata/
 BugReports: https://github.com/ropensci/mapmetadata/issues
 Depends: 
     R (>= 2.10)