diff --git a/admin/tool/monitor/lang/en/tool_monitor.php b/admin/tool/monitor/lang/en/tool_monitor.php
index 7e8d4bf5fa9..25b2198115a 100644
--- a/admin/tool/monitor/lang/en/tool_monitor.php
+++ b/admin/tool/monitor/lang/en/tool_monitor.php
@@ -82,7 +82,8 @@ $string['norules'] = 'There are no event monitoring rules.';
 $string['pluginname'] = 'Event monitor';
 $string['processevents'] = 'Process events';
 $string['rulename'] = 'Rule name';
-$string['ruleareyousure'] = 'Are you sure you want to delete rule "{$a}"?';
+$string['ruleareyousure'] = 'Are you sure you want to delete the rule "{$a}"?';
+$string['ruleareyousureextra'] = 'There are {$a} subscription(s) to this rule that will also be deleted.';
 $string['rulecopysuccess'] = 'Rule successfully duplicated';
 $string['ruledeletesuccess'] = 'Rule successfully deleted';
 $string['rulehelp'] = 'Rule details';
@@ -91,9 +92,9 @@ $string['rulenopermissions'] = 'You do not have permissions to "{$a} a rule"';
 $string['rulescansubscribe'] = 'Rules you can subscribe to';
 $string['selectacourse'] = 'Select a course';
 $string['selectcourse'] = 'Visit this report at course level to get a list of possible modules';
-$string['subareyousure'] = 'Are you sure you want to delete this subscription for the rule "{$a}"?';
-$string['subcreatesuccess'] = "Subscription successfully created";
-$string['subdeletesuccess'] = "Subscription successfully removed";
+$string['subareyousure'] = 'Are you sure you want to delete the subscription to the rule "{$a}"?';
+$string['subcreatesuccess'] = 'Subscription successfully created';
+$string['subdeletesuccess'] = 'Subscription successfully removed';
 $string['subhelp'] = 'Subscription details';
 $string['subhelp_help'] = 'This subscription listens for when the event \'{$a->eventname}\' has been triggered in \'{$a->moduleinstance}\' {$a->frequency} time(s) in {$a->minutes} minute(s).';
 $string['subscribeto'] = 'Subscribe to rule "{$a}"';
diff --git a/admin/tool/monitor/managerules.php b/admin/tool/monitor/managerules.php
index 62957fcdade..acfaef20239 100644
--- a/admin/tool/monitor/managerules.php
+++ b/admin/tool/monitor/managerules.php
@@ -94,8 +94,12 @@ if (!empty($action) && $ruleid) {
                     $rule->delete_rule();
                     echo $OUTPUT->notification(get_string('ruledeletesuccess', 'tool_monitor'), 'notifysuccess');
                 } else {
-                    echo $OUTPUT->confirm(get_string('ruleareyousure', 'tool_monitor', $rule->get_name($context)),
-                        $confirmurl, $cancelurl);
+                    $strconfirm = get_string('ruleareyousure', 'tool_monitor', $rule->get_name($context));
+                    if ($numberofsubs = $DB->count_records('tool_monitor_subscriptions', array('ruleid' => $ruleid))) {
+                        $strconfirm .= '<br />';
+                        $strconfirm .= get_string('ruleareyousureextra', 'tool_monitor', $numberofsubs);
+                    }
+                    echo $OUTPUT->confirm($strconfirm, $confirmurl, $cancelurl);
                     echo $OUTPUT->footer();
                     exit();
                 }