diff --git a/Instruction-Set.md b/Instruction-Set.md
index 4c8b6ad..75f963f 100644
--- a/Instruction-Set.md
+++ b/Instruction-Set.md
@@ -28,6 +28,8 @@
 | **POP** *destination* | *mem/reg* | 0x14 |`- - - - -` |
 | **PUSH** *source* | *mem/reg/imm* | 0x13 |`- - - - -` |
 | **RET** *optional-pop-value* | *imm/None* |  0x16 |`- - - - -` |
+| **ROL** *destination*, *count* | *mem/reg*, *mem/reg/imm* | 0x23 |`X - - X -` |
+| **ROR** *destination*, *count* | *mem/reg*, *mem/reg/imm* | 0x20 |`X - - X -` |
 | **SHL** *destination*, *count* | *mem/reg*, *mem/reg/imm* | 0x06 |`X - - X -` |
 | **SHR** *destination*, *count* | *mem/reg*, *mem/reg/imm* | 0x07 |`X - - X -` |
 | **SUB** *destination*, *source* | *mem/reg*, *mem/reg/imm* |  0x03 |`X X X X -` |