diff --git a/sdk/include/reactos/undocuser.h b/sdk/include/reactos/undocuser.h
index 8a409c04059..45a34afab7b 100644
--- a/sdk/include/reactos/undocuser.h
+++ b/sdk/include/reactos/undocuser.h
@@ -96,7 +96,7 @@ extern "C" {
 #define IMS_SENDNOTIFICATION     0x1F
 #define IMS_FINALIZE_COMPSTR     0x20
 
-/* Non SDK DCE types.*/
+/* Non SDK DCE types */
 #define DCX_USESTYLE     0x00010000
 #define DCX_KEEPCLIPRGN  0x00040000
 #define DCX_KEEPLAYOUT   0x40000000