diff --git a/interface/wx/scrolbar.h b/interface/wx/scrolbar.h
index a005c8f6d5..1f7ff099ef 100644
--- a/interface/wx/scrolbar.h
+++ b/interface/wx/scrolbar.h
@@ -46,17 +46,17 @@
     @event{EVT_SCROLL(func)}
         Process all scroll events.
     @event{EVT_SCROLL_TOP(func)}
-        Process @c wxEVT_SCROLL_TOP scroll-to-top events (minimum position).
+        Process @c wxEVT_SCROLL_TOP scroll to top or leftmost (minimum) position events.
     @event{EVT_SCROLL_BOTTOM(func)}
-        Process @c wxEVT_SCROLL_BOTTOM scroll-to-bottom events (maximum position).
+        Process @c wxEVT_SCROLL_BOTTOM scroll to bottom or rightmost (maximum) position events.
     @event{EVT_SCROLL_LINEUP(func)}
-        Process @c wxEVT_SCROLL_LINEUP line up events.
+        Process @c wxEVT_SCROLL_LINEUP line up or left events.
     @event{EVT_SCROLL_LINEDOWN(func)}
-        Process @c wxEVT_SCROLL_LINEDOWN line down events.
+        Process @c wxEVT_SCROLL_LINEDOWN line down or right events.
     @event{EVT_SCROLL_PAGEUP(func)}
-        Process @c wxEVT_SCROLL_PAGEUP page up events.
+        Process @c wxEVT_SCROLL_PAGEUP page up or left events.
     @event{EVT_SCROLL_PAGEDOWN(func)}
-        Process @c wxEVT_SCROLL_PAGEDOWN page down events.
+        Process @c wxEVT_SCROLL_PAGEDOWN page down or right events.
     @event{EVT_SCROLL_THUMBTRACK(func)}
         Process @c wxEVT_SCROLL_THUMBTRACK thumbtrack events
         (frequent events sent as the user drags the thumbtrack).
@@ -67,17 +67,17 @@
     @event{EVT_COMMAND_SCROLL(id, func)}
         Process all scroll events.
     @event{EVT_COMMAND_SCROLL_TOP(id, func)}
-        Process @c wxEVT_SCROLL_TOP scroll-to-top events (minimum position).
+        Process @c wxEVT_SCROLL_TOP scroll to top or leftmost (minimum) position events.
     @event{EVT_COMMAND_SCROLL_BOTTOM(id, func)}
-        Process @c wxEVT_SCROLL_BOTTOM scroll-to-bottom events (maximum position).
+        Process @c wxEVT_SCROLL_BOTTOM scroll to bottom or rightmost (maximum) position events.
     @event{EVT_COMMAND_SCROLL_LINEUP(id, func)}
-        Process @c wxEVT_SCROLL_LINEUP line up events.
+        Process @c wxEVT_SCROLL_LINEUP line up or left events.
     @event{EVT_COMMAND_SCROLL_LINEDOWN(id, func)}
-        Process @c wxEVT_SCROLL_LINEDOWN line down events.
+        Process @c wxEVT_SCROLL_LINEDOWN line down or right events.
     @event{EVT_COMMAND_SCROLL_PAGEUP(id, func)}
-        Process @c wxEVT_SCROLL_PAGEUP page up events.
+        Process @c wxEVT_SCROLL_PAGEUP page up or left events.
     @event{EVT_COMMAND_SCROLL_PAGEDOWN(id, func)}
-        Process @c wxEVT_SCROLL_PAGEDOWN page down events.
+        Process @c wxEVT_SCROLL_PAGEDOWN page down or right events.
     @event{EVT_COMMAND_SCROLL_THUMBTRACK(id, func)}
         Process @c wxEVT_SCROLL_THUMBTRACK thumbtrack events
         (frequent events sent as the user drags the thumbtrack).