diff --git a/drivers/filters/fltmgr/fltmgrint.h b/drivers/filters/fltmgr/fltmgrint.h
index 64065be7638..f9eea36e32c 100644
--- a/drivers/filters/fltmgr/fltmgrint.h
+++ b/drivers/filters/fltmgr/fltmgrint.h
@@ -124,7 +124,7 @@ typedef struct _FLT_FILTER   // size = 0x120
 
 }  FLT_FILTER, *PFLT_FILTER;
 
-typedef enum _FLT_yINSTANCE_FLAGS
+typedef enum _FLT_INSTANCE_FLAGS
 {
     INSFL_CAN_BE_DETACHED = 0x01,
     INSFL_DELETING = 0x02,
diff --git a/sdk/include/ndk/extypes.h b/sdk/include/ndk/extypes.h
index 5c3ba036595..7751241d114 100644
--- a/sdk/include/ndk/extypes.h
+++ b/sdk/include/ndk/extypes.h
@@ -582,7 +582,7 @@ typedef struct _HANDLE_TRACE_DEBUG_INFO
     LONG RefCount;
     ULONG TableSize;
     ULONG BitMaskFlags;
-    FAST_MUTEX CloseCompatcionLock;
+    FAST_MUTEX CloseCompactionLock;
     ULONG CurrentStackIndex;
     HANDLE_TRACE_DB_ENTRY TraceDb[1];
 } HANDLE_TRACE_DEBUG_INFO, *PHANDLE_TRACE_DEBUG_INFO;