Add missing comma to README.md

diff --git a/README.md b/README.md
index faf72a07ef35949cca496fd1f0216929ce4d893e..9cef8946a488e8c61a35d632e99751332b2f848c 100644 (file)
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@@ -62,7 +62,7 @@ Netdata is featured at <b><a href="https://octoverse.github.com/" target="_blank
  - **Sophisticated alarming**<br/>
    supports dynamic thresholds, hysteresis, alarm templates,
    multiple role-based notification methods (such as email, slack.com,
-   pushover.net, pushbullet.com telegram.org, twilio.com, messagebird.com)
+   pushover.net, pushbullet.com, telegram.org, twilio.com, messagebird.com)
    
  - **Extensible**<br/>
    you can monitor anything you can get a metric for,