Make it clear that the mentioned files are BIN database files

Author: ip2location

docs/source/index.md

@@ -16,8 +16,8 @@ This module can be used in many types of projects such as:
 
 The database will be updated on a monthly basis for greater accuracy.
 
-The complete database is available at https://www.ip2location.com under Premium subscription package.
-The free LITE database is available at https://lite.ip2location.com.
+The complete BIN database is available at https://www.ip2location.com under Premium subscription package.
+The free LITE BIN database is available at https://lite.ip2location.com.
 
 
 ## Table of contents

docs/source/quickstart.md

@@ -4,8 +4,8 @@
 
 This library requires IP2Location BIN database to function. You may download the BIN database at
 
--   IP2Location LITE BIN Data (Free): <https://lite.ip2location.com>
--   IP2Location Commercial BIN Data (Comprehensive):
+-   IP2Location LITE BIN Database (Free): <https://lite.ip2location.com>
+-   IP2Location Commercial BIN Database (Comprehensive):
     <https://www.ip2location.com>
 
 ## IPv4 BIN vs IPv6 BIN