diff --git a/dll/win32/imm32/ime.c b/dll/win32/imm32/ime.c
index 5b7720363aa..e9c80d195b5 100644
--- a/dll/win32/imm32/ime.c
+++ b/dll/win32/imm32/ime.c
@@ -355,6 +355,7 @@ Quit:
     return ret;
 }
 
+// Win: ImmGetImeMenuItemsInterProcess
 DWORD APIENTRY
 Imm32GetImeMenuItemWCrossProcess(HIMC hIMC, DWORD dwFlags, DWORD dwType, LPVOID lpImeParentMenu,
                                  LPVOID lpImeMenu, DWORD dwSize)
diff --git a/dll/win32/imm32/precomp.h b/dll/win32/imm32/precomp.h
index f80fe47781c..82af0034e9b 100644
--- a/dll/win32/imm32/precomp.h
+++ b/dll/win32/imm32/precomp.h
@@ -102,6 +102,7 @@ static inline BOOL Imm32IsCrossThreadAccess(HIMC hIMC)
     return (dwImeThreadId != dwThreadId);
 }
 
+// Win: TestWindowProcess
 static inline BOOL Imm32IsCrossProcessAccess(HWND hWnd)
 {
     return (NtUserQueryWindow(hWnd, QUERY_WINDOW_UNIQUE_PROCESS_ID) !=
diff --git a/dll/win32/imm32/utils.c b/dll/win32/imm32/utils.c
index 810bd0acd58..26f6715f4fc 100644
--- a/dll/win32/imm32/utils.c
+++ b/dll/win32/imm32/utils.c
@@ -50,6 +50,7 @@ BOOL APIENTRY Imm32IsSystemJapaneseOrKorean(VOID)
     return (wPrimary == LANG_JAPANESE || wPrimary == LANG_KOREAN);
 }
 
+// Win: IsAnsiIMC
 BOOL WINAPI Imm32IsImcAnsi(HIMC hIMC)
 {
     BOOL ret;
@@ -166,6 +167,7 @@ static PVOID FASTCALL DesktopPtrToUser(PVOID ptr)
         return (PVOID)NtUserCallOneParam((DWORD_PTR)ptr, ONEPARAM_ROUTINE_GETDESKTOPMAPPING);
 }
 
+// Win: HMValidateHandle
 LPVOID FASTCALL ValidateHandleNoErr(HANDLE hObject, UINT uType)
 {
     UINT index;
@@ -223,6 +225,7 @@ BOOL APIENTRY Imm32CheckImcProcess(PIMC pIMC)
     return dwProcessID == (DWORD_PTR)NtCurrentTeb()->ClientId.UniqueProcess;
 }
 
+// Win: ImmLocalAlloc
 LPVOID APIENTRY ImmLocalAlloc(DWORD dwFlags, DWORD dwBytes)
 {
     if (!ghImmHeap)