diff --git a/src/ODE/Make/files b/src/ODE/Make/files
index 726921457c..f9ff72a010 100644
--- a/src/ODE/Make/files
+++ b/src/ODE/Make/files
@@ -4,6 +4,7 @@ ODESolvers/ODESolver/ODESolverNew.C
 ODESolvers/adaptiveSolver/adaptiveSolver.C
 ODESolvers/RKF45/RKF45.C
 ODESolvers/RKCK45/RKCK45.C
+ODESolvers/RKDP45/RKDP45.C
 ODESolvers/KRR4/KRR4.C
 ODESolvers/SIBS/SIBS.C
 ODESolvers/SIBS/SIMPR.C
diff --git a/src/ODE/ODESolvers/RKCK45/RKCK45.H b/src/ODE/ODESolvers/RKCK45/RKCK45.H
index 830e9cfc20..249ff68343 100644
--- a/src/ODE/ODESolvers/RKCK45/RKCK45.H
+++ b/src/ODE/ODESolvers/RKCK45/RKCK45.H
@@ -25,7 +25,7 @@ Class
     Foam::RKCK45
 
 Description
-    4/5th Order Cash-Karp Runge-Kutta ODE solver
+    4/5th Order Cash-Karp Runge-Kutta ODE solver.
 
     References:
     \verbatim
@@ -34,6 +34,13 @@ Description
         Cash, J.R.,
         Karp, A.H.
         ACM Transactions on Mathematical Software, vol. 16, 1990, pp. 201–222.
+
+        "Solving Ordinary Differential Equations I: Nonstiff Problems,
+         second edition",
+        Hairer, E.,
+        Nørsett, S.,
+        Wanner, G.,
+        Springer-Verlag, Berlin. 1993, ISBN 3-540-56670-8.
     \endverbatim
 
 SourceFiles