diff --git a/sdk/include/reactos/shlwapi_undoc.h b/sdk/include/reactos/shlwapi_undoc.h
index 18b6dc21a35..f3910a14bd7 100644
--- a/sdk/include/reactos/shlwapi_undoc.h
+++ b/sdk/include/reactos/shlwapi_undoc.h
@@ -334,7 +334,7 @@ DWORD WINAPI SHGetObjectCompatFlags(IUnknown *pUnk, const CLSID *clsid);
 
 /*
  * HACK!  These functions are conflicting with <shobjidl.h> inline functions...
- * We provide an macro option SHLWAPI_ISHELLFOLDER_HELPERS for using these functions.
+ * We provide a macro option SHLWAPI_ISHELLFOLDER_HELPERS for using these functions.
  */
 #ifdef SHLWAPI_ISHELLFOLDER_HELPERS
 HRESULT WINAPI