diff --git a/linux.md b/linux.md
index 87a59321..654e7516 100644
--- a/linux.md
+++ b/linux.md
@@ -8,7 +8,7 @@ There are 3 projects
 * applen: a frontend based on ncurses
 * qapple: Qt frontend
 
-The libapple interface is a *link time* interface: some functions are not defined and must be provided in order to properly link 
+The libapple interface is a *link time* interface: some functions are not defined and must be provided in order to properly link
 the application. These functions are listed in [interface.h](source/linux/interface.h).
 
 The main goal is to reuse the AppleWin source files without changes: only where really necessary the AppleWin source files have
@@ -47,12 +47,14 @@ Keyboard shortcuts
 
 * F2: terminate emulator
 * F12: Load Snapshot
-* ALT-LEFT: 2x narrower hi res graphics
-* ALT-RIGHT: 2x wider hi res graphis
-* ALT-UP: 2x vertical
-* ALT-DOWN: 2x vertical
+* ALT-RIGHT: wider hi res graphis
+* ALT-LEFT: narrower hi res graphics
+* ALT-UP: vertical hi res (smaller)
+* ALT-DOWN: vertical hires (bigger)
 
-The joystick uses evdev.
+In order to properly appreciate the wider hi res graphics, open a big terminal window and choose a small font size.
+
+The joystick uses evdev (currently the device name is hardcoded).
 
 ### qapple
 
diff --git a/source/frontends/ncurses/world.cpp b/source/frontends/ncurses/world.cpp
index 80e1c03f..ff256557 100644
--- a/source/frontends/ncurses/world.cpp
+++ b/source/frontends/ncurses/world.cpp
@@ -483,16 +483,16 @@ int ProcessKeyboard()
   case 0x14a: // DEL
     ch = 0x7f;
     break;
-  case 0x221: // ALT - LEFT
+  case 0x222: // ALT - LEFT
     asciiArt->changeColumns(-1);
     break;
-  case 0x230: // ALT - RIGHT
+  case 0x231: // ALT - RIGHT
     asciiArt->changeColumns(+1);
     break;
-  case 0x236:
+  case 0x237: // ALT - UP
     asciiArt->changeRows(-1);
     break;
-  case 0x20D:
+  case 0x20E: // ALT - DOWN
     asciiArt->changeRows(+1);
     break;
   default: