diff --git a/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
index d93f46e80d8..109534c5691 100644
--- a/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfUnit.cpp
@@ -1976,9 +1976,9 @@ void Unit::emitHeader(const MCSection *ASection, const MCSymbol *ASectionSym) {
   Asm->OutStreamer.AddComment("DWARF version number");
   Asm->EmitInt16(DD->getDwarfVersion());
   Asm->OutStreamer.AddComment("Offset Into Abbrev. Section");
-  // We share one abbreviations table across all compilation units so it's
-  // always at the start of the section. Use a relocatable offset where needed
-  // to ensure linking doesn't invalidate that offset.
+  // We share one abbreviations table across all units so it's always at the
+  // start of the section. Use a relocatable offset where needed to ensure
+  // linking doesn't invalidate that offset.
   Asm->EmitSectionOffset(ASectionSym, ASectionSym);
   Asm->OutStreamer.AddComment("Address Size (in bytes)");
   Asm->EmitInt8(Asm->getDataLayout().getPointerSize());