DER: In visitor code, use ndnboost::any. We can use ndnboost::any because this is an internal header and will not conflict with the application if it uses boost::any.
diff --git a/include/ndn-cpp/common.hpp b/include/ndn-cpp/common.hpp
index a4ced37..2d47c30 100644
--- a/include/ndn-cpp/common.hpp
+++ b/include/ndn-cpp/common.hpp
@@ -23,8 +23,8 @@
 namespace ndn { namespace ptr_lib = boost; }
 #else
 // Use the boost header files in this distribution that were extracted with:
-// cd <INCLUDE DIRECTORY WITH boost SUBDIRECTORY>
-// dist/bin/bcp --namespace=ndnboost shared_ptr make_shared weak_ptr function bind <NDN-CPP ROOT>/include
+// cd <BOOST DEVELOPMENT DIRECTORY WITH boost SUBDIRECTORY>
+// dist/bin/bcp --namespace=ndnboost shared_ptr make_shared weak_ptr function bind any <NDN-CPP ROOT>/include
 // cd <NDN-CPP ROOT>/include
 // mv boost ndnboost
 // cd ndnboost