diff --git a/lib/Target/ARM/Thumb2SizeReduction.cpp b/lib/Target/ARM/Thumb2SizeReduction.cpp
index 8fe2e42a7cd..4ad21c49a8a 100644
--- a/lib/Target/ARM/Thumb2SizeReduction.cpp
+++ b/lib/Target/ARM/Thumb2SizeReduction.cpp
@@ -689,7 +689,7 @@ bool Thumb2SizeReduce::ReduceMBB(MachineBasicBlock &MBB) {
         goto ProcessNext;
       }
 
-      // Try to transform ro a 16-bit non-two-address instruction.
+      // Try to transform to a 16-bit non-two-address instruction.
       if (Entry.NarrowOpc1 && ReduceToNarrow(MBB, MI, Entry, LiveCPSR)) {
         Modified = true;
         MachineBasicBlock::iterator I = prior(NextMII);