diff --git a/index.html b/index.html
index 1480f0252f3a8ac98e12acf3ab6ad04656250f54..b1af34a1ab22b61bf77ea37d637ac6dbf4806e78 100644
--- a/index.html
+++ b/index.html
@@ -294,6 +294,7 @@ Hex numbers are numbers in hexadecimal base (16) and are typically prefixed with
 The symbols are:
 
 | Decimal | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
+| ------- | - | - | - | - | - | - | - | - | - | - | -- | -- | -- | -- | -- | -- |
 | Hexa | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F |
 | Bin | 0000 | 0001 | 0010 | 0011 | 0100 | 0101 | 0110 | 0111 | 1000 | 1001 | 1010 | 1011 | 1100 | 1101 | 1110 | 1111 |