diff --git a/boost/numeric/odeint.hpp b/boost/numeric/odeint.hpp
index 67833c33..d492bd54 100644
--- a/boost/numeric/odeint.hpp
+++ b/boost/numeric/odeint.hpp
@@ -23,6 +23,7 @@
 #include <boost/numeric/odeint/stepper/euler.hpp>
 #include <boost/numeric/odeint/stepper/runge_kutta4_classic.hpp>
 #include <boost/numeric/odeint/stepper/runge_kutta4.hpp>
+#include <boost/numeric/odeint/stepper/runge_kutta_cash_karp54.hpp>
 #include <boost/numeric/odeint/stepper/runge_kutta_cash_karp54_classic.hpp>
 #include <boost/numeric/odeint/stepper/runge_kutta_dopri5.hpp>
 
diff --git a/libs/numeric/odeint/doc/concepts/symplectic_system.qbk b/libs/numeric/odeint/doc/concepts/symplectic_system.qbk
index ed795b64..89321a7d 100644
--- a/libs/numeric/odeint/doc/concepts/symplectic_system.qbk
+++ b/libs/numeric/odeint/doc/concepts/symplectic_system.qbk
@@ -21,7 +21,7 @@ which gives the equations of motion:
 
 The algorithmic implementation of this situation is described by a pair of callable objects for /f/ and /g/ with a specific parameter signature.
 Such a system should be implemented as a std::pair of functions or a functors.
-Symplectic systems are used in symplectic steppers like `symplectic_rkn_sb3a_mclachlan` [link odeint.concepts.symplectic_steppers].
+Symplectic systems are used in symplectic steppers like `symplectic_rkn_sb3a_mclachlan`.
 
 [heading Notation]