diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
index 5d6b1a27ad5..48bc3cd115b 100644
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
@@ -1386,7 +1386,7 @@ void BURegReductionPriorityQueue<SF>::AddPseudoTwoAddrDeps() {
           if (!SuccSU->Node || !SuccSU->Node->isTargetOpcode())
             continue;
           // Don't constrain nodes with physical register defs if the
-          // predecessor can cloober them.
+          // predecessor can clobber them.
           if (SuccSU->hasPhysRegDefs) {
             if (canClobberPhysRegDefs(SuccSU, SU, TII, MRI))
               continue;