diff --git a/doc/example/limitations_template_method.cpp b/doc/example/limitations_template_method.cpp
index f03bd8b..598934e 100644
--- a/doc/example/limitations_template_method.cpp
+++ b/doc/example/limitations_template_method.cpp
@@ -12,7 +12,7 @@
 namespace limitations_template_method_problem
 {
 //[ limitations_template_method_problem
-class concept
+class concept_class
 {
 public:
     template< typename T >
@@ -47,7 +47,7 @@ BOOST_AUTO_TEST_CASE(mocked_templated_methods_are_called)
 namespace limitations_template_method_problem_2
 {
 //[ limitations_template_method_problem_2
-class concept
+class concept_class
 {
 public:
     template< typename T >
diff --git a/doc/limitations.qbk b/doc/limitations.qbk
index f4bce36..19c6294 100644
--- a/doc/limitations.qbk
+++ b/doc/limitations.qbk
@@ -75,7 +75,7 @@ Given :
 
 [limitations_template_method_problem]
 
-writing a mock object modeling 'concept' requires to list all the possible versions of 'method' :
+writing a mock object modeling the 'concept class' requires to list all the possible versions of 'method' :
 
 [limitations_template_method_solution]