Comment typo.

llvm-svn: 191312
diff --git a/llvm/lib/CodeGen/MachineScheduler.cpp b/llvm/lib/CodeGen/MachineScheduler.cpp
index 8dcb58e..764adaf 100644
--- a/llvm/lib/CodeGen/MachineScheduler.cpp
+++ b/llvm/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;