diff --git a/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/DEM/in.liggghts_run b/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/DEM/in.liggghts_run
index 09a3f32d..4de0661c 100644
--- a/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/DEM/in.liggghts_run
+++ b/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/DEM/in.liggghts_run
@@ -1,4 +1,4 @@
-# Pour granular particles into chute container, then induce flow
+# single particle chemistry test case
 log             ../DEM/log.liggghts
 thermo_log      ../DEM/post/thermo.txt
 
diff --git a/tutorials/cfdemSolverRhoPimpleChem/Spreitzer_FluidBedCases/Spreitzer_R2/DEM/in.liggghts_run b/tutorials/cfdemSolverRhoPimpleChem/Spreitzer_FluidBedCases/Spreitzer_R2/DEM/in.liggghts_run
index d47bbb8b..4249564a 100644
--- a/tutorials/cfdemSolverRhoPimpleChem/Spreitzer_FluidBedCases/Spreitzer_R2/DEM/in.liggghts_run
+++ b/tutorials/cfdemSolverRhoPimpleChem/Spreitzer_FluidBedCases/Spreitzer_R2/DEM/in.liggghts_run
@@ -1,4 +1,4 @@
-# Pour granular particles into chute container, then induce flow
+# particle chemistry test case
 log             ../DEM/log.liggghts
 thermo_log      ../DEM/post/thermo.txt