diff --git a/src/heart.h b/src/heart.h
index 4622db4..69a9885 100644
--- a/src/heart.h
+++ b/src/heart.h
@@ -171,10 +171,10 @@ public:
  *
  * \code{cpp}
  *  TestingClient() {
-        addApiParser<MyParser_v1>();
-        addApiParser<MyParser_v2>();
-        addApiParser<MyParser_v3>();
-        addApiParser<MyParser_v4>();
+        iParser::addApiParser<MyParser_v1>();
+        iParser::addApiParser<MyParser_v2>();
+        iParser::addApiParser<MyParser_v3>();
+        iParser::addApiParser<MyParser_v4>();
 
     }
  * \endcode