diff --git a/reactos/dll/directx/d3d9/d3d9_impl.c b/reactos/dll/directx/d3d9/d3d9_impl.c
index 142f08d9df5..9e9f34a4a3e 100644
--- a/reactos/dll/directx/d3d9/d3d9_impl.c
+++ b/reactos/dll/directx/d3d9/d3d9_impl.c
@@ -171,7 +171,7 @@ HRESULT WINAPI IDirect3D9Impl_GetAdapterIdentifier(LPDIRECT3D9 iface, UINT Adapt
 * The pixel format to search for
 *
 * @return HRESULT
-* If the method is successfull it returns the number of display modes with the specified Format.
+* If the method is successful it returns the number of display modes with the specified Format.
 * If Adapter is out of range, the return value will be 0.
 *
 */