Add proper name and URL for Zafl (#959)

diff --git a/README.md b/README.md
index ba612ed..7ee5678 100644
--- a/README.md
+++ b/README.md
@@ -801,7 +801,7 @@
 LAF instance.
 
 Then run as many instances as you have cores left with either -Q mode or - better -
-use a binary rewriter like afl-dyninst, retrowrite, zaflr, etc.
+use a binary rewriter like afl-dyninst, retrowrite, [Zafl](https://git.zephyr-software.com/opensrc/zafl), etc.
 
 For Qemu and Frida mode, check out the persistent mode, it gives a huge speed
 improvement if it is possible to use.