[NFC] Fix typo

diff --git a/llvm/include/llvm/CodeGen/LiveIntervalCalc.h b/llvm/include/llvm/CodeGen/LiveIntervalCalc.h
index 4dd22cd..b8d67ef 100644 (file)
--- a/llvm/include/llvm/CodeGen/LiveIntervalCalc.h
+++ b/llvm/include/llvm/CodeGen/LiveIntervalCalc.h
@@ -9,7 +9,7 @@
 // The LiveIntervalCalc class is an extension of LiveRangeCalc targeted to the
 // computation and modification of the LiveInterval variants of LiveRanges.
 // LiveIntervals are meant to track liveness of registers and stack slots and
-// LiveIntervalCalc adds to LiveRangeCalc all the machinery requied to
+// LiveIntervalCalc adds to LiveRangeCalc all the machinery required to
 // construct the liveness of virtual registers tracked by a LiveInterval.
 //
 //===----------------------------------------------------------------------===//