diff --git a/labygui.py b/labygui.py
index 78cce98..e4ac48b 100644
--- a/labygui.py
+++ b/labygui.py
@@ -81,12 +81,12 @@ def print_code(event):
 master.bind('<Escape>', escape)
 master.bind('<Return>', add)
 master.bind('<BackSpace>', remove)
-master.bind('<Prior>', previous)
-master.bind('<Next>', next)
+master.bind('<Control-Left>', previous)
+master.bind('<Control-Right>', next)
 master.bind('<Left>', lambda e: left(e, 0.1))
 master.bind('<Right>', lambda e: right(e, 0.1))
-master.bind('<Shift-KeyPress-Left>', lambda e: left(e, 0.01))
-master.bind('<Shift-KeyPress-Right>', lambda e: right(e, 0.01))
+master.bind('<Shift-Left>', lambda e: left(e, 0.01))
+master.bind('<Shift-Right>', lambda e: right(e, 0.01))
 master.bind('<Up>', up)
 master.bind('<Down>', down)
 master.bind('p', print_code)
@@ -111,7 +111,7 @@ def draw_line(x1, y1, x2, y2, color):
 
 def draw_help():
   global canvas
-  help = 'change angle: [Shift+] Left/Right, change length: Up/Down, add/remove element: Enter/BackSpace, previous/next element: PgUp/PgDn, print code: P, exit: Esc'
+  help = 'change angle: [Shift+] Left/Right, change length: Up/Down, add/remove element: Enter/BackSpace, previous/next element: Ctrl+Left/Right, print code: P, exit: Esc'
   canvas.create_text(4, screen_h + 36, anchor = NW, text = help, fill = 'black')
 
 def draw_path():