diff --git a/reactos/ntoskrnl/mm/ARM3/mmdbg.c b/reactos/ntoskrnl/mm/ARM3/mmdbg.c
index 7444f7d57f5..41260f224c3 100644
--- a/reactos/ntoskrnl/mm/ARM3/mmdbg.c
+++ b/reactos/ntoskrnl/mm/ARM3/mmdbg.c
@@ -42,7 +42,6 @@ NTAPI
 MiDbgTranslatePhysicalAddress(IN ULONG64 PhysicalAddress,
                               IN ULONG Flags)
 {
-    extern MMPTE ValidKernelPte;
     PFN_NUMBER Pfn;
     MMPTE TempPte;
     PVOID MappingBaseAddress;
@@ -83,7 +82,7 @@ MiDbgTranslatePhysicalAddress(IN ULONG64 PhysicalAddress,
     MappingBaseAddress = MiPteToAddress(MmDebugPte);
 
     //
-    //
+    // Get the template
     //
     TempPte = ValidKernelPte;