Fix -Wdocumentation warning. NFCI.

llvm-svn: 337367
diff --git a/llvm/lib/CodeGen/AsmPrinter/DIEHash.h b/llvm/lib/CodeGen/AsmPrinter/DIEHash.h
index a47b266..dae517a 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DIEHash.h
+++ b/llvm/lib/CodeGen/AsmPrinter/DIEHash.h
@@ -43,7 +43,7 @@
 
   // Helper routines to process parts of a DIE.
 private:
-  /// Adds the parent context of \param Die to the hash.
+  /// Adds the parent context of \param Parent to the hash.
   void addParentContext(const DIE &Parent);
 
   /// Adds the attributes of \param Die to the hash.