diff --git a/doc/type_index.qbk b/doc/type_index.qbk
index b490775..5b81a83 100644
--- a/doc/type_index.qbk
+++ b/doc/type_index.qbk
@@ -38,7 +38,7 @@ is a drop-in replacement for `std::type_index`. Unlike Standard Library versions
 operators, so it can be used with any container class.
 
 Through all the examples, we'll assume that the following namespace alias is in effect:
-``using bti = boost::typeind;``
+``namespace bti = boost::typeind;``
 
 [section How to use]
 
diff --git a/examples/demangled_names.cpp b/examples/demangled_names.cpp
index 6575663..d79b5af 100644
--- a/examples/demangled_names.cpp
+++ b/examples/demangled_names.cpp
@@ -14,7 +14,7 @@
 
 #include <boost/type_index.hpp>
 #include <iostream>
-using bti = boost::typeind;
+namespace bti = boost::typeind;
 
 template <class T>
 void foo(T) {
diff --git a/examples/exact_types_match.cpp b/examples/exact_types_match.cpp
index bb027f0..58c42a3 100644
--- a/examples/exact_types_match.cpp
+++ b/examples/exact_types_match.cpp
@@ -18,7 +18,7 @@
 #include <iostream>
 #include <stdexcept>
 #include <cassert>
-using bti = boost::typeind;
+namespace bti = boost::typeind;
 
 class type_erased_unary_function {
     void*               function_ptr_;
diff --git a/examples/inheritance.cpp b/examples/inheritance.cpp
index 7fec43e..35b0afc 100644
--- a/examples/inheritance.cpp
+++ b/examples/inheritance.cpp
@@ -14,7 +14,7 @@
 
 #include <boost/type_index.hpp>
 #include <iostream>
-using bti = boost::typeind;
+namespace bti = boost::typeind;
 
 struct A {
     BOOST_TYPE_INDEX_REGISTER_CLASS
diff --git a/examples/registry.cpp b/examples/registry.cpp
index 0ca8785..44f37c4 100644
--- a/examples/registry.cpp
+++ b/examples/registry.cpp
@@ -14,7 +14,7 @@
 #include <boost/unordered_set.hpp>
 #include <boost/functional/hash.hpp>
 #include <cassert>
-using bti = boost::typeind;
+namespace bti = boost::typeind;
 
 int main() {
     boost::unordered_set<bti::type_index> types;