diff --git a/Firmware/mmu2.h b/Firmware/mmu2.h
index ac349f73e..f21fe614e 100644
--- a/Firmware/mmu2.h
+++ b/Firmware/mmu2.h
@@ -30,7 +30,7 @@ struct Version {
 };
 
 /// Top-level interface between Logic and Marlin.
-/// Intentionally named MMU to be (almost) a drop-in replacement for the previous implementation.
+/// Intentionally named MMU2 to be (almost) a drop-in replacement for the previous implementation.
 /// Most of the public methods share the original naming convention as well.
 class MMU2 {
 public: