Sentences end with periods.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189861 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DIEHash.h b/lib/CodeGen/AsmPrinter/DIEHash.h
index 8a40818..f98b56d 100644
--- a/lib/CodeGen/AsmPrinter/DIEHash.h
+++ b/lib/CodeGen/AsmPrinter/DIEHash.h
@@ -81,10 +81,10 @@
   };
 
 public:
-  /// \brief Computes the ODR signature
+  /// \brief Computes the ODR signature.
   uint64_t computeDIEODRSignature(DIE *Die);
 
-  /// \brief Computes the CU signature
+  /// \brief Computes the CU signature.
   uint64_t computeCUSignature(DIE *Die);
 
   // Helper routines to process parts of a DIE.