diff --git a/readme.md b/readme.md
index 942c9b8..cce8ce2 100644
--- a/readme.md
+++ b/readme.md
@@ -1,12 +1,16 @@
## Gen PC Sidecar Script
The files are stored typically inside of `/var/lib/asterisk/PC-Contact-Sync` and the scripts should be run every 6 hours by a cron job.
+Make sure that all files are owned by asterisk user including the output files and the cronjob.
+
## Quickstart
#### Config Fields
`config.json` has several fields. The config file needs to be next to the script in order to be read.
+See the example [config.json](./config.json) included.
+
⚠️ Warning: Make sure the config follows proper json syntax.
@@ -31,13 +35,20 @@ prepend_extensions
#### Cronjob Example
+Create the cronjob as asterisk user.
+
+```
+EDITOR=vim crontab -e -u asterisk
+```
+
+Append this to the crontab
```
# Run Polycom directory sync every 4 hours at :00
0 */4 * * * /usr/bin/php /var/lib/asterisk/PC-Contact-Sync/gen_polycom_directory.php --notify >> /var/log/gen_polycom_directory.log 2>&1
# Run PC sidecar sync every 4 hours at :05 (5 mins after)
-10 */4 * * * /usr/bin/php /var/lib/asterisk/PC-Contact-Sync/gen_pc_sidecar.php >> /var/log/gen_pc_sidecar.log 2>&1
+5 */4 * * * /usr/bin/php /var/lib/asterisk/PC-Contact-Sync/gen_pc_sidecar.php >> /var/log/gen_pc_sidecar.log 2>&1
```