diff --git a/Instruction-Set.md b/Instruction-Set.md
index e555f5a..7a20734 100644
--- a/Instruction-Set.md
+++ b/Instruction-Set.md
@@ -9,6 +9,7 @@ Current opcodes in use
 21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
 41, 42, 43, 44, 45, 46, 47
+63
 ```
 Current opcodes reserved
 ```
@@ -20,7 +21,7 @@ Current opcodes unsused
 8,
 50
 51, 52, 53, 54, 55, 56, 57, 58, 59, 60,
-61, 62, 63
+61, 62
 ```
 
 ### Instruction table with affected flags