diff --git a/reactos/include/reactos/win32k/ntuser.h b/reactos/include/reactos/win32k/ntuser.h
index b8d91a4dc4d..ea5778e7173 100644
--- a/reactos/include/reactos/win32k/ntuser.h
+++ b/reactos/include/reactos/win32k/ntuser.h
@@ -1664,10 +1664,10 @@ NtUserNotifyProcessCreate(
 DWORD
 NTAPI
 NtUserNotifyWinEvent(
-  DWORD Unknown0,
-  DWORD Unknown1,
-  DWORD Unknown2,
-  DWORD Unknown3);
+  DWORD Event,
+  HWND  hWnd,
+  LONG  idObject,
+  LONG  idChild);
 
 BOOL
 NTAPI
@@ -2236,14 +2236,14 @@ NtUserSetWindowWord(HWND hWnd, INT Index, WORD NewVal);
 DWORD
 NTAPI
 NtUserSetWinEventHook(
-  DWORD Unknown0,
-  DWORD Unknown1,
-  DWORD Unknown2,
-  DWORD Unknown3,
-  DWORD Unknown4,
-  DWORD Unknown5,
-  DWORD Unknown6,
-  DWORD Unknown7);
+  UINT eventMin,
+  UINT eventMax,
+  HMODULE hmodWinEventProc,
+  PUNICODE_STRING puString,
+  WINEVENTPROC lpfnWinEventProc,
+  DWORD idProcess,
+  DWORD idThread,
+  UINT dwflags);
 
 BOOL
 NTAPI
diff --git a/reactos/subsystems/win32/win32k/ntuser/hook.c b/reactos/subsystems/win32/win32k/ntuser/hook.c
index 191b01107ce..563875f1680 100644
--- a/reactos/subsystems/win32/win32k/ntuser/hook.c
+++ b/reactos/subsystems/win32/win32k/ntuser/hook.c
@@ -700,14 +700,14 @@ CLEANUP:
 DWORD
 STDCALL
 NtUserSetWinEventHook(
-   DWORD Unknown0,
-   DWORD Unknown1,
-   DWORD Unknown2,
-   DWORD Unknown3,
-   DWORD Unknown4,
-   DWORD Unknown5,
-   DWORD Unknown6,
-   DWORD Unknown7)
+   UINT eventMin,
+   UINT eventMax,
+   HMODULE hmodWinEventProc,
+   PUNICODE_STRING puString,
+   WINEVENTPROC lpfnWinEventProc,
+   DWORD idProcess,
+   DWORD idThread,
+   UINT dwflags)
 {
    UNIMPLEMENTED
 
diff --git a/reactos/subsystems/win32/win32k/ntuser/ntstubs.c b/reactos/subsystems/win32/win32k/ntuser/ntstubs.c
index cccb914c54c..f6f0795ab65 100644
--- a/reactos/subsystems/win32/win32k/ntuser/ntstubs.c
+++ b/reactos/subsystems/win32/win32k/ntuser/ntstubs.c
@@ -429,10 +429,10 @@ NtUserNotifyIMEStatus(
 DWORD
 STDCALL
 NtUserNotifyWinEvent(
-   DWORD Unknown0,
-   DWORD Unknown1,
-   DWORD Unknown2,
-   DWORD Unknown3)
+   DWORD Event,
+   HWND  hWnd,
+   LONG  idObject,
+   LONG  idChild)
 {
    UNIMPLEMENTED