diff --git a/classes/condition.php b/classes/condition.php
index 87f7104..50a202c 100644
--- a/classes/condition.php
+++ b/classes/condition.php
@@ -163,7 +163,10 @@ class condition extends \core_availability\condition {
      * @return string Information string (for admin) about all restrictions on this item
      */
     public function get_description($full, $not, info $info): string {
-        return get_string('require_condition', 'availability_ipaddress', getremoteaddr());
+
+        $desc = $not ? 'require_condition_not' : 'require_condition';
+
+        return get_string($desc, 'availability_ipaddress', getremoteaddr());
     }
 
     /**
diff --git a/lang/en/availability_ipaddress.php b/lang/en/availability_ipaddress.php
index 6932a7a..d1ed3c3 100644
--- a/lang/en/availability_ipaddress.php
+++ b/lang/en/availability_ipaddress.php
@@ -31,7 +31,8 @@
 $string['pluginname'] = 'IP address';
 $string['description'] = 'Restrict access by ip-address or subnet';
 $string['title'] = 'IP address';
-$string['require_condition'] = 'Matching ip-address/subnet. (Your IP:{$a})';
+$string['require_condition'] = 'ip-address/subnet is allowed (Your IP:{$a})';
+$string['require_condition_not'] = 'ip-address/subnet is not blocked (Your IP:{$a})';
 
 // Errors.
 $string['error_ipaddress'] = 'Incorrect ip-address/subnet format';