diff --git a/abci/README.md b/abci/README.md
index ad84eb77c..cd0e9bbd9 100644
--- a/abci/README.md
+++ b/abci/README.md
@@ -19,7 +19,7 @@ To get up and running quickly, see the [getting started guide](../docs/app-dev/g
 
 A detailed description of the ABCI methods and message types is contained in:
 
-- [The main spec](../docs/spec/abci/abci.md)
+- [The main spec](https://github.com/tendermint/spec/blob/master/spec/abci/abci.md)
 - [A protobuf file](./types/types.proto)
 - [A Go interface](./types/application.go)