Fix minor doxygen nits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40854 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/DwarfWriter.cpp b/lib/CodeGen/DwarfWriter.cpp
index 9d54d42..0ade7a2 100644
--- a/lib/CodeGen/DwarfWriter.cpp
+++ b/lib/CodeGen/DwarfWriter.cpp
@@ -58,9 +58,9 @@
 
 //===----------------------------------------------------------------------===//
 /// DWLabel - Labels are used to track locations in the assembler file.
-/// Labels appear in the form <prefix><Tag><Number>, where the tag is a
-/// category of label (Ex. location) and number is a value unique in that
-/// category.
+/// Labels appear in the form @verbatim <prefix><Tag><Number> @endverbatim, 
+/// where the tag is a category of label (Ex. location) and number is a value 
+/// unique in that category.
 class DWLabel {
 public:
   /// Tag - Label category tag. Should always be a staticly declared C string.