Make comment in lists more specific (#279)

data/cn

@@ -1,4 +1,4 @@
-# This tag 'cn' is for backward compatibility of 'geosite:cn' in V2Ray.
+# This list is for backward compatibility of "geosite:cn" in V2Ray.
 
 include:tld-cn
 include:geolocation-cn

data/geolocation-!cn

@@ -1,4 +1,4 @@
-# This list contains domains that don't have access point in China. This is opposite to geolocation-cn.
+# This list contains domains that don't have access point in China mainland. This is opposite to geolocation-cn.
 
 # TLDs (Top Level Domains) used outside China mainland
 include:tld-!cn

data/geolocation-cn

@@ -1,4 +1,4 @@
-# List of all domains that have access point in China
+# List of all domains that have access point in China mainland
 
 # Advertisment & Analytics
 include:jiguang