diff --git a/Source/Core/Core/HW/Memmap.h b/Source/Core/Core/HW/Memmap.h
index 14ed19291f..5a15a1e343 100644
--- a/Source/Core/Core/HW/Memmap.h
+++ b/Source/Core/Core/HW/Memmap.h
@@ -21,16 +21,13 @@ class Mapping;
 namespace Memory
 {
 // Base is a pointer to the base of the memory map. Yes, some MMU tricks
-// are used to set up a full GC or Wii memory map in process memory.  on
-// 32-bit, you have to mask your offsets with 0x3FFFFFFF. This means that
-// some things are mirrored too many times, but eh... it works.
-
+// are used to set up a full GC or Wii memory map in process memory.
 // In 64-bit, this might point to "high memory" (above the 32-bit limit),
 // so be sure to load it into a 64-bit register.
 extern u8* physical_base;
 extern u8* logical_base;
 
-// These are guaranteed to point to "low memory" addresses (sub-32-bit).
+// The actual memory used for backing the memory map.
 extern u8* m_pRAM;
 extern u8* m_pEXRAM;
 extern u8* m_pL1Cache;