diff --git a/README.md b/README.md
index df1d029..7133a8a 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # HollowPS TV experiments
 
-A Server emulator for closed beta test 1 version (cbt1) of the game [`Zenless Zone Zero`](https://zenless.hoyoverse.com/en-us/) with 5 custom levels and a few new features
+A Server emulator for closed beta test 1 version (cbt1) of the game [`Zenless Zone Zero`](https://zenless.hoyoverse.com/en-us/) with 5 custom levels and a few new features. Based on [`HollowPS`](https://git.xeondev.com/reversedrooms/HollowPS).
 
 It's just a glimpse at how custom levels for TV mode can be built for ZZZ private servers.