diff --git a/src/freedombone-utils-final b/src/freedombone-utils-final
index 6f5d672a..9c448dda 100755
--- a/src/freedombone-utils-final
+++ b/src/freedombone-utils-final
@@ -70,6 +70,8 @@ function install_final {
 }
 
 function update_installed_apps_list {
+    # Why does this secondary file exist, apart from COMPLETION_FILE ?
+    # It's so that it is visible to unprivileged users from the user control panel
     cat $COMPLETION_FILE | grep "install_" > /usr/share/${PROJECT_NAME}/installed.txt
 }
 
diff --git a/src/freedombone-utils-selector b/src/freedombone-utils-selector
index a25f719e..99537ae9 100755
--- a/src/freedombone-utils-selector
+++ b/src/freedombone-utils-selector
@@ -59,6 +59,9 @@ function item_in_array {
 
 function app_is_installed {
     app_name="$1"
+
+    # Why does this secondary file exist, apart from COMPLETION_FILE ?
+    # It's so that it is visible to unprivileged users from the user control panel
     INSTALLED_APPS_LIST=/usr/share/${PROJECT_NAME}/installed.txt
     if [ -f $INSTALLED_APPS_LIST ]; then
         if ! grep -Fxq "install_${app_name}" $INSTALLED_APPS_LIST; then