diff --git a/content/acknowledgements/_index.md b/content/acknowledgements/_index.md
index e7aba9b..6877457 100644
--- a/content/acknowledgements/_index.md
+++ b/content/acknowledgements/_index.md
@@ -7,6 +7,7 @@ _build:
 - [GMMan](https://github.com/GMMan), who has provided the internal details of the DGOC-44U and has conducted extensive research on the Densha de GO! Plug and Play.
 - [TheYamanote](https://twitter.com/The_Yamanote), who has helped with the TCPP-20009 and the MTC.
 - Hazelesque, who has helped with the MTC.
+- RetroStreamKnight, who has provided compatibility details about the Master Controller II.
 
 ## Images