diff --git a/README.md b/README.md
index d606274..155bd71 100755
--- a/README.md
+++ b/README.md
@@ -63,6 +63,7 @@ For more details about using MY-BASIC when it's already integrated with exist pr
 * [Write a debugger](https://github.com/paladin-t/my_basic/wiki/Write-a-debugger)
 * [More scripting APIs](https://github.com/paladin-t/my_basic/wiki/More-scripting-APIs)
  * [File module](https://github.com/paladin-t/my_basic/wiki/File-module)
+ * [Bit operation module](https://github.com/paladin-t/my_basic/wiki/Bit-operation-module)
 * [FAQ](https://github.com/paladin-t/my_basic/wiki/FAQ)
 
 ## References