diff --git a/llvm/lib/CodeGen/MachinePipeliner.cpp b/llvm/lib/CodeGen/MachinePipeliner.cpp
index f4da5af..0add554 100644
--- a/llvm/lib/CodeGen/MachinePipeliner.cpp
+++ b/llvm/lib/CodeGen/MachinePipeliner.cpp
@@ -3070,7 +3070,7 @@
 }
 
 /// Update the memory operand with a new offset when the pipeliner
-/// generate a new copy of the instruction that refers to a
+/// generates a new copy of the instruction that refers to a
 /// different memory location.
 void SwingSchedulerDAG::updateMemOperands(MachineInstr &NewMI,
                                           MachineInstr &OldMI, unsigned Num) {