Fix typo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@140807 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/CodeGen/SlotIndexes.h b/include/llvm/CodeGen/SlotIndexes.h
index 6eb3180..2d98864 100644
--- a/include/llvm/CodeGen/SlotIndexes.h
+++ b/include/llvm/CodeGen/SlotIndexes.h
@@ -7,7 +7,7 @@
//
//===----------------------------------------------------------------------===//
//
-// This file implements SlotIndex and related classes. The purpuse of SlotIndex
+// This file implements SlotIndex and related classes. The purpose of SlotIndex
// is to describe a position at which a register can become live, or cease to
// be live.
//
