diff --git a/data/credits.txt b/data/credits.txt
index b2b1820..df5ae2a 100644
--- a/data/credits.txt
+++ b/data/credits.txt
@@ -65,5 +65,5 @@
 350 Project: Starfighter
 020 Copyright 2003 Parallel Realities
 020 Copyright 2012 Guus Sliepen, Astrid S. de Wijn and others
-020 Copyright 2015, 2016 Julie Marchant
+020 Copyright 2015-2019 Julie Marchant
 120 starfighter.nongnu.org
diff --git a/docs/index.html b/docs/index.html
index 189fd77..97e7209 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -28,7 +28,7 @@
 
   <p>Copyright &copy; 2003 Parallel Realities<br />
   Copyright &copy; 2012 Guus Sliepen, Astrid S. de Wijn and others<br />
-  Copyright &copy; 2015-2017 Julie Marchant</p>
+  Copyright &copy; 2015-2019 Julie Marchant</p>
 
   <p>Project: Starfighter is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.</p>
 
@@ -80,56 +80,26 @@
   <li>Escape while paused - Quit to title screen</li>
   </ul>
 
+  <p>Note - Keys cannot be changed, but some alternative keys can also be used (use alternative keys if ghosting occurs):</p>
+  <ul>
+    <li>Arrow keys - keypad numbers "8", "2", "5", "4", and "6"</li>
+    <li>Ctrl - Enter,  "Z", "Y", "C", "A", "D", "F", "/", ",", "1", "3", Home, End, or keypad number "0"</li>
+    <li>Space - "X", "S", ".", "2", PageUp, PageDown, or keypad number "1"</li>
+    <li>Shift - Alt or keypad numbers "7" and "9"</li>
+    <li>Escape - "Q", Backspace, or Delete</li>
+  </ul>
+
   <p>Joystick and Gamepad support</p>
 
   <ul>
-  <li>Stick or Hat - Same as Arrow Keys</li>
-  <li>Button 2 / 3 - Fire primary weapon / Select menu option</li>
-  <li>Button 1 / 4 - Fire secondary weapon / Select menu option</li>
-  <li>Button 6 / 8 / 9 - Toggle Primary Weapon Concentrate / Spread</li>
-  <li>Button 10 - Pause / Unpause</li>
-  <li>Button 5 / 7 - Flee (not possible until all primary missions completed)</li>
-  <li>Button 5 / 7 while paused - Quit to title screen</li>
+  <li>Stick or Hat - Control Firefly</li>
+  <li>Face buttons - Fire weapons / Select menu option</li>
+  <li>Select/Back (button 9) or right shoulder - Toggle Primary Weapon Concentrate / Spread</li>
+  <li>Start (button 10) - Pause / Unpause</li>
+  <li>Left Shoulder - Flee (not possible until all primary missions completed)</li>
+  <li>Left Shoulder while paused - Quit to title screen</li>
   </ul>
 
-  <p>Note - Keys cannot be changed.</p>
-
-  <h2>How to Play</h2>
-
-  <p>When first starting Project: Starfighter you will see the text
-  scrolling introduction. You can either wait for this to finish or
-  you can skip it by pressing ctrl or space.</p>
-
-  <p>The title sequence will begin. Once the menu is shown (or you
-  opt to skip to it by pressing space or ctrl) you may select from
-  the options shown:</p>
-
-  <ul class="menu">
-  <li>Start New Game</li>
-  <li>Load Game</li>
-  <li>Continue Current Game</li>
-  <li>Options</li>
-  <li>Quit</li>
-  </ul>
-
-  <dl>
-  <dt>Start New Game</dt>
-  <dd>This will start a new game.</dd>
-
-  <dt>Load Game</dt>
-  <dd>This will bring up a list of currently available games to be
-  loaded.</dd>
-
-  <dt>Continue Current Game</dt>
-  <dd>This will load the Autosave slot. It is only shown if an autosave is available.</dd>
-
-  <dt>Options</dt>
-  <dd>This will show a list of game options.</dd>
-
-  <dt>Quit</dt>
-  <dd>This will quit the game.</dd>
-  </dl>
-
   <h2>Loading and Saving Games</h2>
 
   <p>Games can be loaded from the title screen.</p>
@@ -143,7 +113,7 @@
 
   <h2>Getting Missions</h2>
 
-  <p>In each System, the player can get missions by going to the
+  <p>In each System, the player can overview missions by going to the
   Missions section of the Intermission screen. Here allies will inform
   you of tasks that need to be performed and what planet these
   tasks apply to. Once the player has decided which task they will
@@ -249,7 +219,7 @@
     be powered up. For example, at the start of the game the
     Firefly can only be powered up to fire two plasma bolts are
     once. By purchasing an upgrade for the Firefly, you can allow
-    for power ups to enable you to fire a maximum of up to five
+    for power ups to enable you to fire more
     plasma bolts at once. Note that this only affects power ups and
     these will still be ammunition limited. To upgrade your default
     weapon, you will need permanent power ups (see below).
@@ -266,11 +236,7 @@
     ammo or transports in sight! When you power up your permanent
     weapon, your powered up weapon level will also be automatically
     upgraded if it is less powerful than your new current power up
-    level.When the Firefly's Primary Weapon has been upgraded to
-    its maximum output (3 plasma cannons) the player can toggle the
-    output type by pressing Shift. The output type can either be
-    Concentrate (the default firing type) or Spread. Various
-    situations can call for varying the output type.
+    level.
   </dd>
 
   <dt>Secondary Weapons</dt>
@@ -379,7 +345,7 @@
   Copyright &copy; 2003 Parallel Realities<br />
   Copyright &copy; 2012 Guus Sliepen, Astrid S. de Wijn and
   others<br />
-  Copyright &copy; 2015-2017 Julie Marchant</p>
+  Copyright &copy; 2015-2019 Julie Marchant</p>
 
   <p>Created using the <a href="http://www.libsdl.org">SDL
   library</a>.</p>