diff --git a/Instruction-Set.md b/Instruction-Set.md
index 75f963f..a68d3d1 100644
--- a/Instruction-Set.md
+++ b/Instruction-Set.md
@@ -27,6 +27,8 @@
 | **OR** *destination*, *source* | *mem/reg*, *mem/reg/imm* | 0x05 |`0 X X 0 -` |
 | **POP** *destination* | *mem/reg* | 0x14 |`- - - - -` |
 | **PUSH** *source* | *mem/reg/imm* | 0x13 |`- - - - -` |
+| **RCL** *destination*, *count* | *mem/reg*, *mem/reg/imm* | 0x27 |`X - - X -` |
+| **RCR** *destination*, *count* | *mem/reg*, *mem/reg/imm* | 0x28 |`X - - X -` |
 | **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 -` |