Fix up comment to be more clear.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165463 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfAccelTable.cpp b/lib/CodeGen/AsmPrinter/DwarfAccelTable.cpp
index 454a923..05e0f2f 100644
--- a/lib/CodeGen/AsmPrinter/DwarfAccelTable.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfAccelTable.cpp
@@ -133,8 +133,8 @@
   }
 }
 
-// Walk through and emit the buckets for the table. This will look
-// like a list of numbers of how many elements are in each bucket.
+// Walk through and emit the buckets for the table. Each index is
+// an offset into the list of hashes.
 void DwarfAccelTable::EmitBuckets(AsmPrinter *Asm) {
   unsigned index = 0;
   for (size_t i = 0, e = Buckets.size(); i < e; ++i) {