Fix the note.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122139 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCExpr.cpp b/lib/MC/MCExpr.cpp
index 47b8140..8c24ce5 100644
--- a/lib/MC/MCExpr.cpp
+++ b/lib/MC/MCExpr.cpp
@@ -327,7 +327,7 @@
 /// NOTE: It is really important to have both the Asm and Layout arguments.
 /// They might look redundant, but this function can be used before layout
 /// is done (see the object streamer for example) and having the Asm argument
-/// lets us avoid relocations.
+/// lets us avoid relaxations early.
 static bool EvaluateSymbolicAdd(const MCAssembler *Asm,
                                 const MCAsmLayout *Layout,
                                 const SectionAddrMap *Addrs,