Minor doc update

docs/table_matrix.txt

@@ -43,6 +43,8 @@ matrix[15]: 3a 00 00 00 00 00 40 00   CtlL                          CtlR
 matrix[15][15] = 0x96                 ??
 matrix[16]: 00 9d 00 9e 9f 4a 3a 00        WinR?     Pwr? Slp? Wak? CtlL
 
+Unknown key codes: 0x0e 0x83 0x84 0x85 0x96
+
     (source: x220 EC firmware version 8DHT34WW, offset 0x1f080)
 
 ThinkPad x230 matrix:
@@ -53,8 +55,6 @@ contents with all of the xx30 series laptops.  The basic classic keyboard
 fix was made by updating the x230 table to look like the x220, combined
 with updating the live/dead key table.
 
-    (source: x230 EC firmware version 8DHT34WW, offset 0x218d8)
-
              0  1  2  3  4  5  6  7    0    1    2    3    4    5    6    7
 
 matrix[ 0]: 01 02 11 10 1f 6e 2e 83   `    1    Q    TAB  A    Esc  Z    ??
@@ -78,6 +78,10 @@ matrix[15][15] = 0x96                 ??
 matrix[16]:   00 9d 00 9e 9f 4a 3a 9c      WinR?     Pwr? Slp? Wak? CtlL Menu
 matrix[16][8] 7d 7e 00 00 00 00 00 00 ScLk Paus
 
+Unknown key codes: 0x0e 0x83 0x84 0x85 0x96
+
+    (source: x230 EC firmware version 8DHT34WW, offset 0x218d8)
+
 ThinkPad x230 live/dead bitmap:
 -------------------------------