Adjust the comment

Author: tclin914

llvm/lib/Target/RISCV/MCTargetDesc/RISCVInstPrinter.cpp

@@ -216,7 +216,7 @@ void RISCVInstPrinter::printVTypeI(const MCInst *MI, unsigned OpNo,
                                    const MCSubtargetInfo &STI, raw_ostream &O) {
   unsigned Imm = MI->getOperand(OpNo).getImm();
   // Print the raw immediate for reserved values: vlmul[2:0]=4, vsew[2:0]=0b1xx,
-  // , altfmt=1 without zvfbaf extension, or non-zero in bits 9 and above.
+  // altfmt=1 without zvfbfa extension, or non-zero in bits 9 and above.
   if (RISCVVType::getVLMUL(Imm) == RISCVVType::VLMUL::LMUL_RESERVED ||
       RISCVVType::getSEW(Imm) > 64 ||
       (RISCVVType::isAltFmt(Imm) &&