diff --git a/src/viewport.cpp b/src/viewport.cpp
--- a/src/viewport.cpp
+++ b/src/viewport.cpp
@@ -2050,7 +2050,7 @@ static bool SwapDirection(HighLightStyle
 * To correctly get the height difference we need the direction we are dragging
 * in, as well as with what kind of tool we are dragging. For example a horizontal
 * autorail tool that starts in bottom and ends at the top of a tile will need the
-* maximum of SW,S and SE,N corners respectively. This is handled by the lookup table below
+* maximum of SW, S and SE, N corners respectively. This is handled by the lookup table below
 * See _tileoffs_by_dir in map.c for the direction enums if you can't figure out
 * the values yourself.
 * @param style HightlightStyle of drag. This includes direction and style (autorail, rect, etc.)
@@ -2395,7 +2395,7 @@ bool VpHandlePlaceSizingDrag()
 	e.we.place.userdata = _thd.userdata;
 
 	/* stop drag mode if the window has been closed */
-	w = FindWindowById(_thd.window_class,_thd.window_number);
+	w = FindWindowById(_thd.window_class, _thd.window_number);
 	if (w == NULL) {
 		ResetObjectToPlace();
 		return false;