diff --git a/reactos/dll/cpl/access/mouse.c b/reactos/dll/cpl/access/mouse.c
index 6a4adb50040..81f1e3b3240 100644
--- a/reactos/dll/cpl/access/mouse.c
+++ b/reactos/dll/cpl/access/mouse.c
@@ -50,7 +50,7 @@ MouseKeysDlgProc(HWND hwndDlg,
             /* Set the thumb */
             SendDlgItemMessage(hwndDlg, IDC_MOUSEKEYS_SPEED_TRACK, TBM_SETPOS, TRUE, i);
 
-            /* Set the number of ticks for the accelleration trackbar */
+            /* Set the number of ticks for the acceleration trackbar */
             SendDlgItemMessage(hwndDlg, IDC_MOUSEKEYS_ACCEL_TRACK, TBM_SETRANGE,
                                TRUE, MAKELONG(0, ACCELTICKS - 1));
 
diff --git a/reactos/win32ss/reactx/dxg/historic.c b/reactos/win32ss/reactx/dxg/historic.c
index f1581f39206..127933399bb 100644
--- a/reactos/win32ss/reactx/dxg/historic.c
+++ b/reactos/win32ss/reactx/dxg/historic.c
@@ -59,7 +59,7 @@ DxDxgGenericThunk(ULONG_PTR ulIndex,
 * @name DxDdIoctl
 * @implemented
 *
-* The function DxDdIoctl is the ioctl call to diffent DirectX functions 
+* The function DxDdIoctl is the ioctl call to different DirectX functions 
 *
 * @param ULONG ulIoctl
 * The ioctl code that we want call to