Update README.md

Author: simgislab

README.md

@@ -3,7 +3,7 @@ Contributed data sources for QuickMapServices plugin (https://github.com/nextgis
 
 These services are maintained by community. They are not validated and may contain errors, license violations etc. Use at your own risk.
 
-To become available for QuickMapServices plugin, new release should made by someone with appropriate privileges.
+To become available for QuickMapServices plugin, new release should be made by someone with appropriate privileges.
 
 A short instruction on how to add new QuickMapServices data_source: https://github.com/nextgis/quickmapservices/wiki/Adding-data-source