diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index d338ac81ed5..cd528c5a32a 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -5814,7 +5814,7 @@ SDValue DAGCombiner::visitFADD(SDNode *N) {
                          N0.getOperand(0), N0.getOperand(1), N1);
     }
 
-    // fold (fadd x, (fmul y, z)) -> (fma x, y, z)
+    // fold (fadd x, (fmul y, z)) -> (fma y, z, x)
     // Note: Commutes FADD operands.
     if (N1.getOpcode() == ISD::FMUL && N1->hasOneUse()) {
       return DAG.getNode(ISD::FMA, N->getDebugLoc(), VT,