diff --git a/experiments/keyboard/keyboard.html b/experiments/keyboard/keyboard.html
index 23813b2..657e2cc 100644
--- a/experiments/keyboard/keyboard.html
+++ b/experiments/keyboard/keyboard.html
@@ -220,7 +220,7 @@
       
         <g transform="translate(17.75, 1.75)">
           <use class="key" href="#h1"></use>
-          <text class="keycap_text unknown">PUP</text>
+          <text class="keycap_text known">⇡</text>
         </g>
       
         <g transform="translate(19.0, 1.75)">
@@ -315,7 +315,7 @@
       
         <g transform="translate(15.75, 2.75)">
           <use class="key" href="#h1"></use>
-          <text class="keycap_text known">⇨</text>
+          <text class="keycap_text known">DEL</text>
         </g>
       
         <g transform="translate(16.75, 2.75)">
@@ -325,7 +325,7 @@
       
         <g transform="translate(17.75, 2.75)">
           <use class="key" href="#h1"></use>
-          <text class="keycap_text unknown">PDN</text>
+          <text class="keycap_text known">⇣</text>
         </g>
       
         <g transform="translate(19.0, 2.75)">
@@ -430,12 +430,12 @@
       
         <g transform="translate(0.625, 4.75)">
           <use class="key" href="#h1.25"></use>
-          <text class="keycap_text unknown">SHIFT</text>
+          <text class="keycap_text known">⇧</text>
         </g>
       
         <g transform="translate(1.75, 4.75)">
           <use class="key" href="#h1"></use>
-          <text class="keycap_text unknown"><</text>
+          <text class="keycap_text known"><</text>
         </g>
       
         <g transform="translate(2.75, 4.75)">
@@ -490,7 +490,7 @@
       
         <g transform="translate(13.625, 4.75)">
           <use class="key" href="#h2.75"></use>
-          <text class="keycap_text unknown">SHIFT</text>
+          <text class="keycap_text known">⇧</text>
         </g>
       
         <g transform="translate(16.75, 4.75)">
@@ -525,7 +525,7 @@
       
         <g transform="translate(1.875, 5.75)">
           <use class="key" href="#h1.25"></use>
-          <text class="keycap_text unknown">SUP</text>
+          <text class="keycap_text known">⊞</text>
         </g>
       
         <g transform="translate(3.125, 5.75)">
@@ -545,7 +545,7 @@
       
         <g transform="translate(12.125, 5.75)">
           <use class="key" href="#h1.25"></use>
-          <text class="keycap_text unknown">SUP</text>
+          <text class="keycap_text known">⊞</text>
         </g>
       
         <g transform="translate(13.25, 5.75)">
@@ -580,7 +580,7 @@
       
         <g transform="translate(21.0, 5.75)">
           <use class="key" href="#h1"></use>
-          <text class="keycap_text known">⇨</text>
+          <text class="keycap_text known">DEL</text>
         </g>
       
     </svg>
diff --git a/experiments/keyboard/keyboard.rb b/experiments/keyboard/keyboard.rb
index ef6a60e..0b91da1 100755
--- a/experiments/keyboard/keyboard.rb
+++ b/experiments/keyboard/keyboard.rb
@@ -1,6 +1,7 @@
 #!/usr/bin/env ruby
 
 # https://developer.valvesoftware.com/wiki/Bind
+# https://developer.valvesoftware.com/wiki/List_of_L4D2_Cvars
 
 keys = [
   {
@@ -127,7 +128,7 @@ keys = [
     ingame: 'del',
     short: 'DEL',
     title: 'Delete',
-    keycap: '⇨',
+    keycap: 'DEL',
   },
   {
     ingame: 'pgdn',
@@ -298,7 +299,7 @@ keys = [
     keycap: '🖱️5',
   },
 ]
-%(0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜß,.+-*/#^´).each_char do |char|
+%(0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZÄÖÜß,.+-*/#^´<>).each_char do |char|
   keys.append({
     ingame: char,
     short: char,
@@ -359,12 +360,12 @@ keycaps = {
 }
 
 keyboard = {
-  0    => 'ESC :1 F1 F2 F3 F4 :.5 F5 F6 F7 F8 :.5 F9 F10 F11 F12                       :.25 PNT ROL PAU',
-  1.25 => '^ 1 2 3 4 5 6 7 8 9 0 ß ´ BSP:h2                                            :.25 INS HOM PUP :.25 NUM / * -',
-  2.25 => 'TAB:h1.5 Q W E R T Z U I O P Ü + ENT:enter_iso                              :.25 DEL END PDN :.25   7 8 9 +:v2',
-  3.25 => 'CAPS:h1.75 A S D F G H J K L Ö Ä # :1.25                                    :.25 :1  :1  :1  :.25   4 5 6',
-  4.25 => 'SHIFT:h1.25 < Y X C V B N M , . - SHIFT:h2.75                               :.25 :1  ARU :1  :.25   1 2 3 ENT:v2',
-  5.25 => 'CTL:h1.25 SUP:h1.25 ALT:h1.25 SPC:h6.5 AGR:h1.25 SUP:h1.25 MENU CTL:h1.25   :.25 ARL ARD ARR :.25   0:h2 DEL'
+  0    => 'ESC :1 F1 F2 F3 F4 :.5 F5 F6 F7 F8 :.5 F9 F10 F11 F12                         :.25 PNT ROL PAU',
+  1.25 => '^ 1 2 3 4 5 6 7 8 9 0 ß ´ BSP:h2                                              :.25 INS HOM PGU :.25 NUM / * -',
+  2.25 => 'TAB:h1.5 Q W E R T Z U I O P Ü + ENT:enter_iso                                :.25 DEL END PGD :.25   7 8 9 +:v2',
+  3.25 => 'CAPS:h1.75 A S D F G H J K L Ö Ä # :1.25                                      :.25 :1  :1  :1  :.25   4 5 6',
+  4.25 => 'SFT:h1.25 < Y X C V B N M , . - SFT:h2.75                                     :.25 :1  ARU :1  :.25   1 2 3 ENT:v2',
+  5.25 => 'CTL:h1.25 LWIN:h1.25 ALT:h1.25 SPC:h6.5 AGR:h1.25 RWIN:h1.25 MENU CTL:h1.25   :.25 ARL ARD ARR :.25   0:h2 DEL'
 }
 
 keyboard_keys = []