diff --git a/dlls/d3d8/shader.c b/dlls/d3d8/shader.c
index 0692fd94f5c..eee4983c9e8 100644
--- a/dlls/d3d8/shader.c
+++ b/dlls/d3d8/shader.c
@@ -2364,18 +2364,24 @@ HRESULT WINAPI IDirect3DPixelShaderImpl_GetConstantF(IDirect3DPixelShaderImpl* T
 
 /***********************************************************************
  *		ValidateVertexShader (D3D8.@)
+ *
+ * PARAMS
+ * toto       result?
  */
-BOOL WINAPI ValidateVertexShader(LPVOID pFunction, int param1, int param2, LPVOID toto/* result? */) {
-
+BOOL WINAPI ValidateVertexShader(LPVOID pFunction, int param1, int param2, LPVOID toto)
+{
       FIXME("(void): stub: pFunction %p, param1 %d, param2 %d, result? %p\n",  pFunction, param1, param2, toto);
         return 0;
 }
 
 /***********************************************************************
- *  *              ValidatePixelShader (D3D8.@)
- *   */
-BOOL WINAPI ValidatePixelShader(LPVOID pFunction, int param1, int param2, LPVOID toto/* result? */) {
-
+ *              ValidatePixelShader (D3D8.@)
+ *
+ * PARAMS
+ * toto       result?
+ */
+BOOL WINAPI ValidatePixelShader(LPVOID pFunction, int param1, int param2, LPVOID toto)
+{
       FIXME("(void): stub: pFunction %p, param1 %d, param2 %d, result? %p\n",  pFunction, param1, param2, toto);
         return TRUE;
 }
diff --git a/dlls/d3d9/d3d9_main.c b/dlls/d3d9/d3d9_main.c
index 3bbc9336e83..e249a322b6f 100644
--- a/dlls/d3d9/d3d9_main.c
+++ b/dlls/d3d9/d3d9_main.c
@@ -72,16 +72,24 @@ BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv) {
 
 /***********************************************************************
  *		ValidateVertexShader (D3D9.@)
+ *
+ * PARAMS
+ * toto       result?
  */
-BOOL WINAPI ValidateVertexShader(LPVOID pFunction, int param1, int param2, LPVOID toto/* result? */) {
+BOOL WINAPI ValidateVertexShader(LPVOID pFunction, int param1, int param2, LPVOID toto)
+{
   FIXME("(void): stub: %p %d %d %p\n", pFunction, param1, param2, toto);
   return TRUE;
 }
 
 /***********************************************************************
  *		ValidatePixelShader (D3D9.@)
+ *
+ * PARAMS
+ * toto       result?
  */
-BOOL WINAPI ValidatePixelShader(LPVOID pFunction, int param1, int param2, LPVOID toto/* result?*/) {
+BOOL WINAPI ValidatePixelShader(LPVOID pFunction, int param1, int param2, LPVOID toto)
+{
   FIXME("(void): stub: %p %d %d %p\n", pFunction, param1, param2, toto);
   return TRUE;
 }