diff --git a/README.md b/README.md
index 1163d4b01..2f6632dab 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Prerequisites: ocaml [http://ocaml.org], opam [http://opam.ocaml.org].
 
 Building:
 
-* `opam pin add GT https://github.com/kakasu/GT.git#ppx`
+* `opam pin add GT https://github.com/kakadu/GT.git#ppx`
 * `opam pin add ostap https://github.com/dboulytchev/ostap.git`
 * `opam install ostap`
 * `opam install GT`