Comment typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191312 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/MachineScheduler.cpp b/lib/CodeGen/MachineScheduler.cpp
index 8dcb58e..764adaf 100644
--- a/lib/CodeGen/MachineScheduler.cpp
+++ b/lib/CodeGen/MachineScheduler.cpp
@@ -205,7 +205,7 @@
       &*nextIfDebug(MachineBasicBlock::const_iterator(I), End)));
 }
 
-/// Instantiate a ScheduleDAGInstrs that will be owned by the called.
+/// Instantiate a ScheduleDAGInstrs that will be owned by the caller.
 ScheduleDAGInstrs *MachineScheduler::createMachineScheduler() {
   // Select the scheduler, or set the default.
   MachineSchedRegistry::ScheduleDAGCtor Ctor = MachineSchedOpt;