diff --git a/README.md b/README.md
index e176e8e..61c4a33 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Kotlin MAC
 
-This library provides various Message Authentication Code implementations in Kotlin Multiplatform.
+This library provides various [Message Authentication Code](https://en.wikipedia.org/wiki/Message_authentication_code) implementations in Kotlin Multiplatform.
 
 ## Features