diff --git a/ece2cmor3/scripts/modify-metadata-template.sh b/ece2cmor3/scripts/modify-metadata-template.sh
index 7d867e6d..8aa9af5a 100755
--- a/ece2cmor3/scripts/modify-metadata-template.sh
+++ b/ece2cmor3/scripts/modify-metadata-template.sh
@@ -50,6 +50,7 @@ if [ "$#" -eq 3 ] || [ "$#" -eq 4 ]; then
   source_type_index=7  # The usual AOGCM case
  fi
 
+ # Add your NEWCOMPONENT to this if-blocks if you want to extend ece2cmor3 for more model components.
  if [ "${ececonf}" = 'EC-EARTH-AOGCM'   ]; then declare -a model_components=('ifs' 'nemo'             ); fi
  if [ "${ececonf}" = 'EC-EARTH-HR'      ]; then declare -a model_components=('ifs' 'nemo'             ); fi
  if [ "${ececonf}" = 'EC-EARTH-LR'      ]; then declare -a model_components=('ifs' 'nemo'             ); fi
@@ -434,11 +435,13 @@ if [ "$#" -eq 3 ] || [ "$#" -eq 4 ]; then
      echo ' Running ' $0 ${mip} ${experiment} ${ececonf}                   '  for ' ${component}
     fi
 
+    # Add your NEWCOMPONENT to this check if you want to extend ece2cmor3 for more model components.
     if [ "${component}" != 'ifs' ] && [ "${component}" != 'nemo' ] && [ "${component}" != 'tm5' ] && [ "${component}" != 'lpjg' ]; then
      echo ' Error in ' $0 ': unkown ec-earth component: '  ${component} '  Valid options: ifs, nemo, tm5, or lpjg'
      exit
     fi
 
+    # Add your NEWCOMPONENT to this if-block if you want to extend ece2cmor3 for more model components.
     if [ "${component}" = 'ifs' ]; then
      grid_label='gr'
      res_index=1