clients: fix a couple of trivial typos

Signed-off-by: Abdur Rehman <arehmanq199@gmail.com>
Reviewed-by: Yong Bakos <ybakos@humanoriented.com>
diff --git a/clients/window.c b/clients/window.c
index ac35c3d..d75bc60 100644
--- a/clients/window.c
+++ b/clients/window.c
@@ -2781,7 +2781,7 @@
 	input->sx = sx;
 	input->sy = sy;
 
-	/* when making the window smaller - e.g. after a unmaximise we might
+	/* when making the window smaller - e.g. after an unmaximise we might
 	 * still have a pending motion event that the compositor has picked
 	 * based on the old surface dimensions. However, if we have an active
 	 * grab, we expect to see input from outside the window anyway.
@@ -5332,7 +5332,7 @@
 
 	if (state == WL_POINTER_BUTTON_STATE_RELEASED &&
 	    (menu->release_count > 0 || time - menu->time > 500)) {
-		/* Either relase after press-drag-release or
+		/* Either release after press-drag-release or
 		 * click-motion-click. */
 		menu->func(menu->user_data, input, menu->current);
 		input_ungrab(menu->input);