Update footer.html
diff --git a/custom-theme/footer.html b/custom-theme/footer.html
index d5c1ece..0c00d88 100644
--- a/custom-theme/footer.html
+++ b/custom-theme/footer.html
@@ -13,7 +13,7 @@
Software Foundation in the United States and other countries.
</small>
<a href="{{ config.extra.slack_url }}">
- <img src="/img/add_to_slack.png" alt="Slack Icon" title="Join our Slack Community" />
+ <img src="https://www.countit.com/images/add_to_slack.png" alt="Slack Icon" title="Join our Slack Community" />
</a>
</div>
</div>