Fix cronjob example to execute every sixth hour

Example as written executes the command at every minute past the sixth hour. Replacing the * with 0 in the beginning will cause this to run at minute 0 at every sixth hour.
2017-07-07 17:01:35 -05:00 · 2017-07-07 17:01:35 -05:00 · 2d9a3c59cb
parent 461566a819
commit 2d9a3c59cb
1 changed files with 1 additions and 1 deletions
--- a/README.md
+++ b/README.md
@ -129,7 +129,7 @@ crontab -e
 This will open your crontab. Paste in

 ```cron
-* */6 * * * <the output of that echo command you just ran>
+0 */6 * * * <the output of that echo command you just ran>
 ```

 This will run the polling script every 6 hours to keep things all synced up.