diff --git a/source/_integrations/fail2ban.markdown b/source/_integrations/fail2ban.markdown
index dcf2ceaf7b5..e3b9df77d92 100644
--- a/source/_integrations/fail2ban.markdown
+++ b/source/_integrations/fail2ban.markdown
@@ -15,7 +15,11 @@ related:
 ha_quality_scale: legacy
 ---
 
-The `fail2ban` {% term integration %} allows for IPs banned by [fail2ban](https://www.fail2ban.org/wiki/index.php/Main_Page) to be displayed in the Home Assistant frontend.
+The Fail2Ban {% term integration %} allows for IPs banned by [fail2ban](https://www.fail2ban.org/wiki/index.php/Main_Page) to be displayed in the Home Assistant frontend.
+
+{% important %}
+This integration is only available on {% term "Home Assistant Core" %} installation types. Unfortunately, it cannot be used with {% term "Home Assistant Operating System" %}, {% term "Home Assistant Supervised" %}, or {% term "Home Assistant Container" %}.
+{% endimportant %}
 
 {% important %}