Fix typo in comment.

llvm-svn: 273243
diff --git a/lld/ELF/Target.cpp b/lld/ELF/Target.cpp
index 21c0440..3c3fcc3 100644
--- a/lld/ELF/Target.cpp
+++ b/lld/ELF/Target.cpp
@@ -681,7 +681,7 @@
   uint8_t Reg = Loc[-1] >> 3;
   uint8_t *RegSlot = Loc - 1;
 
-  // Note that LEA with RSP or R12 is converted to ADD instead of LEA
+  // Note that ADD with RSP or R12 is converted to ADD instead of LEA
   // because LEA with these registers needs 4 bytes to encode and thus
   // wouldn't fit the space.