diff --git a/src/ODE/ODESolvers/Rosenbrock23/Rosenbrock23.H b/src/ODE/ODESolvers/Rosenbrock23/Rosenbrock23.H
index 1c740d7458..f7e0ac97a0 100644
--- a/src/ODE/ODESolvers/Rosenbrock23/Rosenbrock23.H
+++ b/src/ODE/ODESolvers/Rosenbrock23/Rosenbrock23.H
@@ -25,7 +25,7 @@ Class
     Foam::Rosenbrock23
 
 Description
-    L-stable embedded Rosenbrock ODE solver of order (3)4.
+    L-stable embedded Rosenbrock ODE solver of order (2)3.
 
     References:
     \verbatim