diff --git a/src/symba/symba_encounter_check.f90 b/src/symba/symba_encounter_check.f90
index 48672142e..26996302f 100644
--- a/src/symba/symba_encounter_check.f90
+++ b/src/symba/symba_encounter_check.f90
@@ -85,7 +85,7 @@ end function symba_encounter_check_pl
    module function symba_encounter_check(self, param, system, dt, irec) result(lany_encounter)
       !! author: David A. Minton
       !!
-      !! Check for an encounter between test particles and massive bodies in the pltpenc list.
+      !! Check for an encounter between test particles and massive bodies in the plplenc and pltpenc list.
       !! Note: This method works for the polymorphic symba_pltpenc and symba_plplenc types.
       !!
       !! Adapted from portions of David E. Kaufmann's Swifter routine: symba_step_recur.f90