Update vmod_ip2location.json

R1/source/vmods/vmod_ip2location.json

 {
     "date": "2019-06-21",
-    "desc": "An Varnish module that enables the user to find the country, region, city, latitude, longitude, zip code, time zone, ISP, domain name, connection type, area code, weather, mobile network, elevation, usage type by IP address. ",
+    "desc": "A Varnish module that enables the user to find the country, region, city, latitude, longitude, zip code, time zone, ISP, domain name, connection type, area code, weather, mobile network, elevation, usage type by IP address. ",
     "github": {
         "branches": {
             "master": "master"
@@ -15,4 +15,4 @@
     "support": [ "IP2Location" ],
     "maintainer": "support@ip2location.com",
 	"product": "https://www.ip2location.com/database/ip2location"
-}
\ No newline at end of file
+}