diff --git a/conf/README.GAME b/conf/README.GAME
new file mode 100644
index 0000000..fc5c095
--- /dev/null
+++ b/conf/README.GAME
@@ -0,0 +1,2 @@
+You may put ROMs to be used by retroarch in this folder.
+After a 5 minute delay, they should be available in retroarch itself in the "download/Game" directory.
\ No newline at end of file
diff --git a/conf/indexer.sh b/conf/indexer.sh
index 53b93d1..2c14573 100644
--- a/conf/indexer.sh
+++ b/conf/indexer.sh
@@ -1,7 +1,8 @@
 #!/bin/bash
+#This script is run by the cron job in /etc/cron.d/retroarch
+#It will index all cores in the opt/yunohost/retroarch/assets/cores folder so that they are available in 
+# retroarch itself.
 
-#=================================================
-# GENERIC START
 #=================================================
 # IMPORT GENERIC HELPERS
 #=================================================
@@ -9,9 +10,16 @@
 source /usr/share/yunohost/helpers
 source _common.sh
 
+#=================================================
+# GET APP SETTINGS
+#=================================================
+
 app=__APP__
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 
+#=================================================
+# Update the index
+#=================================================
 
 ynh_use_nodejs
 cd $final_path/assets/frontend/bundle/
diff --git a/conf/retroarch.cron b/conf/retroarch.cron
index 93c6552..f5d3e5e 100644
--- a/conf/retroarch.cron
+++ b/conf/retroarch.cron
@@ -1 +1,2 @@
+#This script will update the core index every 5 minutes so that they are available in retroarch
 */5 * * * * root __FINAL_PATH__/indexer.sh > /dev/null 2>&1
\ No newline at end of file