diff --git a/assets/disk0/tvdos/us_colemak.key b/assets/disk0/tvdos/us_colemak.key
index 7fcb5b3..2a0b749 100644
--- a/assets/disk0/tvdos/us_colemak.key
+++ b/assets/disk0/tvdos/us_colemak.key
@@ -75,7 +75,7 @@
 ["'",'"'],
 ["/","?"],
 ["<AT>"],
-["<NUM>"],
+["<NUM_LOCK>"],
 ["<HEADSETHOOK>"],
 ["<FOCUS>"],
 ["+"],
@@ -253,4 +253,4 @@
 [undefined],
 [undefined],
 ["<:CIRCLE:>"]
-]
\ No newline at end of file
+]
diff --git a/assets/disk0/tvdos/us_qwerty.key b/assets/disk0/tvdos/us_qwerty.key
index 679fc6a..c82f0a7 100644
--- a/assets/disk0/tvdos/us_qwerty.key
+++ b/assets/disk0/tvdos/us_qwerty.key
@@ -75,7 +75,7 @@
 ["'",'"'],
 ["/","?"],
 ["<AT>"],
-["<NUM>"],
+["<NUM_LOCK>"],
 ["<HEADSETHOOK>"],
 ["<FOCUS>"],
 ["+"],
@@ -253,4 +253,4 @@
 [undefined],
 [undefined],
 ["<:CIRCLE:>"]
-]
\ No newline at end of file
+]
diff --git a/doc/implementation.tex b/doc/implementation.tex
index 3a52065..b604066 100644
--- a/doc/implementation.tex
+++ b/doc/implementation.tex
@@ -58,6 +58,7 @@ Address & RW & Description \\
 \begin{tabulary}{\textwidth}{rl}
 Key & Code \\
 \hline
+\ttfamily{0} & 7 \\
 \ttfamily{1} & 8 \\
 \ttfamily{2} & 9 \\
 \ttfamily{3} & 10 \\
@@ -67,7 +68,6 @@ Key & Code \\
 \ttfamily{7} & 14 \\
 \ttfamily{8} & 15 \\
 \ttfamily{9} & 16 \\
-\ttfamily{0} & 17 \\
 $\hookleftarrow$ & 66 \\
 \condensedfont{BkSp} & 67 \\
 \condensedfont{Tab} & 61 \\
@@ -130,22 +130,23 @@ $\rightarrow$ & 22 \\
 \condensedfont{PgUp} & 92 \\
 \condensedfont{PgDn} & 93 \\
 \condensedfont{Home} & 3 \\
-\condensedfont{End} & 132 \\
-F1 & 244 \\
+\condensedfont{End} & 123 \\
+F1 & 131 \\
 \end{tabulary}
 \begin{tabulary}{\textwidth}{rl}
 Key & Code \\
 \hline
-F2 & 245 \\
-F3 & 246 \\
-F4 & 247 \\
-F5 & 248 \\
-F6 & 249 \\
-F7 & 250 \\
-F8 & 251 \\
-F9 & 252 \\
-F10 & 253 \\
-F11 & 254 \\
+F2 & 132 \\
+F3 & 133 \\
+F4 & 134 \\
+F5 & 135 \\
+F6 & 136 \\
+F7 & 137 \\
+F8 & 138 \\
+F9 & 139 \\
+F10 & 140 \\
+F11 & 141 \\
+F12 & 142 \\
 \condensedfont{Num} \ttfamily{0} & 144 \\
 \condensedfont{Num} \ttfamily{1} & 145 \\
 \condensedfont{Num} \ttfamily{2} & 146 \\
@@ -157,12 +158,9 @@ F11 & 254 \\
 \condensedfont{Num} \ttfamily{8} & 152 \\
 \condensedfont{Num} \ttfamily{9} & 153 \\
 \condensedfont{NumLk} & 78 \\
-\ttfamily{*} & 17 \\
 \end{tabulary}
 \end{longtable}
 
-Keys not listed on the table may not be available depending on the system, for example, F12 may not be recognised.
-
 
 
 \chapter{Text and Graphics Display}