fix typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@109511 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/VirtRegRewriter.cpp b/lib/CodeGen/VirtRegRewriter.cpp
index 3b283e9..fc2498d 100644
--- a/lib/CodeGen/VirtRegRewriter.cpp
+++ b/lib/CodeGen/VirtRegRewriter.cpp
@@ -1864,7 +1864,7 @@
 
 
 /// rewriteMBB - Keep track of which spills are available even after the
-/// register allocator is done with them.  If possible, avid reloading vregs.
+/// register allocator is done with them.  If possible, avoid reloading vregs.
 void
 LocalRewriter::RewriteMBB(LiveIntervals *LIs,
                           AvailableSpills &Spills, BitVector &RegKills,