diff --git a/README.md b/README.md
index c48167a..9c494ca 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # FuncFrog
 
 [![Go Report Card](https://goreportcard.com/badge/github.com/koss-null/funcfrog)](https://goreportcard.com/report/github.com/koss-null/funcfrog)
+[![Go Reference](https://pkg.go.dev/badge/github.com/koss-null/list.svg)](https://pkg.go.dev/github.com/koss-null/list)
 [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 [![Coverage](https://raw.githubusercontent.com/koss-null/funcfrog/master/coverage_badge.png?raw=true)](coverage)