diff --git a/rvfi/insns/README.md b/rvfi/insns/README.md
index 596e5a4..1c5de27 100644
--- a/rvfi/insns/README.md
+++ b/rvfi/insns/README.md
@@ -98,6 +98,10 @@ Below is a list of instructions currently supported by this port of the riscv-fo
       - `InsnLwu`: LWU instruction
       - `InsnLd`: LD instruction
     - `InsnAddiw`: ADDIW instruction
+    - `InsnRV64IITypeShift`: RV64I I-Type Instruction (Shift Variation)
+      - `InsnSlliw`: SLLIW instruction
+      - `InsnSrliw`: SRLIW instruction
+      - `InsnSraiw`: SRAIW instruction
   - `InsnSd`: SD instruction
 
 ### ISAs