diff --git a/c/cjson/README.md b/c/cjson/README.md
index b1326213..a76286a9 100644
--- a/c/cjson/README.md
+++ b/c/cjson/README.md
@@ -7,7 +7,11 @@ LLGo wrapper of DaveGamble/cJSON
 [![Language](https://img.shields.io/badge/language-Go+-blue.svg)](https://github.com/goplus/gop)
 
 ## How to install
-
+### on macOS (Homebrew)
+```sh
+brew install cjson 
+```
+### from source code
 ```sh
 git clone https://github.com/goplus/cjson.git
 cd cjson
diff --git a/c/cjson/cjson.go b/c/cjson/cjson.go
index e638e551..ea1872b4 100644
--- a/c/cjson/cjson.go
+++ b/c/cjson/cjson.go
@@ -23,7 +23,7 @@ import (
 )
 
 const (
-	LLGoPackage = "link: cjson"
+	LLGoPackage = "link: $(pkg-config --libs libcjson)"
 )
 
 // llgo:type C