diff --git a/insns/insn_add.py b/insns/insn_add.py
index 4a88d38..d995dff 100644
--- a/insns/insn_add.py
+++ b/insns/insn_add.py
@@ -47,7 +47,7 @@ class rvfi_insn_add(Elaboratable):
     def elaborate(self, platform):
         m = Module()
 
-        # R-type instruction format (shift variation)
+        # R-type instruction format
         insn_padding = Signal(self.RISCV_FORMAL_ILEN)
         m.d.comb += insn_padding.eq(self.rvfi_insn >> 32)
         insn_funct7 = Signal(7)