diff --git a/src/Dmf_BusFilter.c b/src/Dmf_BusFilter.c
index daf1bb0..3dc26e9 100644
--- a/src/Dmf_BusFilter.c
+++ b/src/Dmf_BusFilter.c
@@ -166,13 +166,13 @@ Return Value:
     {
         goto Exit;
     }
-
-#pragma warning(disable: 28150)
+        
+#pragma warning(disable: 28150) // elevates to DISPATCH_LEVEL
     KeAcquireInStackQueuedSpinLock(&parentContext->ChildListLock,
                                    &handle);
     RemoveEntryList(&extension->ListEntry);
     KeReleaseInStackQueuedSpinLock(&handle);
-#pragma warning(default: 28150)
+#pragma warning(default: 28150) // drops to PASSIVE_LEVEL
 
     TraceVerbose(DMF_TRACE, "%!FUNC! called at %!irql!", KeGetCurrentIrql());
 
@@ -515,7 +515,7 @@ Return Value:
         goto Exit;
     }
 
-#pragma warning(disable: 28150)
+#pragma warning(disable: 28150) // elevates to DISPATCH_LEVEL
     KeAcquireInStackQueuedSpinLock(&parentContext->ChildListLock,
                                    &handle);
 
@@ -533,7 +533,7 @@ Return Value:
         childExtension->IsExisting = FALSE;
     }
 
-    KeReleaseInStackQueuedSpinLock(&handle);
+    KeReleaseInStackQueuedSpinLock(&handle); // drops to PASSIVE_LEVEL
 #pragma warning(default: 28150)
 
     deviceRelations = (PDEVICE_RELATIONS)Irp->IoStatus.Information;