diff --git a/insns/insn_beq.py b/insns/insn_beq.py
index 466e2a5..582a331 100644
--- a/insns/insn_beq.py
+++ b/insns/insn_beq.py
@@ -8,6 +8,7 @@ class rvfi_insn_beq(rvfi_insn_SB):
     def elaborate(self, platform):
         m = super(rvfi_insn_beq, self).elaborate(platform)
 
+        # BEQ instruction
         cond = Signal(1)
         m.d.comb += cond.eq(self.rvfi_rs1_rdata == self.rvfi_rs2_rdata)
         next_pc = Signal(32)