1 files changed, 1 insertions, 0 deletions
diff --git a/param.ccl b/param.ccl
index e982acb..a65216a 100644
--- a/param.ccl
+++ b/param.ccl
@@ -87,6 +87,7 @@ KEYWORD ODE_Method "The ODE method use by MoL to do time integration"
   "ICN-avg"	:: "Iterative Crank Nicholson with averaging"
   "RK2"		:: "Efficient RK2"
   "RK3"		:: "Efficient RK3"
+  "RK45"        :: "RK45 with error estimation"
 } "ICN"
 
 KEYWORD Generic_Type "If using the generic method, which sort"