diff --git a/insns/README.md b/insns/README.md
index 5fa0a4d..9e00672 100644
--- a/insns/README.md
+++ b/insns/README.md
@@ -67,6 +67,10 @@ Below is a list of instructions currently supported by this port of the riscv-fo
       - `InsnXori`: XORI instruction
       - `InsnOri`: ORI instruction
       - `InsnAndi`: ANDI instruction
+  - `InsnRV32ISType`: RV32I S-Type Instruction
+    - `InsnSb`: SB instruction
+    - `InsnSh`: SH instruction
+    - `InsnSw`: SW instruction
 
 ## Parameters