diff --git a/README.md b/README.md
index 4c53d9f..d1598a5 100644
--- a/README.md
+++ b/README.md
@@ -216,7 +216,7 @@ These can be useful for osint and social engineering.
 - [SpyDialer](https://spydialer.com/) - Free Reverse Lookup Search
 - [Reverse Phone Lookup](https://www.reversephonelookup.com/) - Find Out The Owner Of A Phone Number
 - [ThatsThem](https://thatsthem.com/reverse-phone-lookup) - Reverse phone lookup
-- [thisnumber.com](https://www.thisnumber.com/)
+- [thisnumber.com](https://www.thisnumber.com/) - International Phone Directories
 - [usphonebook.com](https://www.usphonebook.com/)
 - [truecaller.com](https://www.truecaller.com/)
 - [truepeoplesearch.com](https://www.truepeoplesearch.com/#)