diff --git a/api/v1/config/filters/actions/put/index.php b/api/v1/config/filters/actions/put/index.php
index f2fbbab..1358b9d 100644
--- a/api/v1/config/filters/actions/put/index.php
+++ b/api/v1/config/filters/actions/put/index.php
@@ -26,8 +26,12 @@ if ($id === null || $action === null)
 	apiresult(['error' => '<id> or <action> parameter is not valid']);
 
 $interval = 0;
-if (isset($_GET['interval']))
-	$interval = intval(trim($_GET['interval']));
+if (isset($_POST['interval']))
+	$interval = intval(trim($_POST['interval']));
+
+$explain = null;
+if (isset($_POST['explain']))
+	$explain = trim($_POST['explain']);
 
 $afile_name = $type.','.$GLOBALS['ap_instance'].',';
 $action_file = $actions_dir.'/'.$type.','.$GLOBALS['ap_instance'].','.$id;
@@ -35,6 +39,10 @@ $action_file = $actions_dir.'/'.$type.','.$GLOBALS['ap_instance'].','.$id;
 if ($action === 'none' && file_exists($action_file))
 	unlink($action_file);
 else if ($action !== 'none')
-	file_put_contents($action_file, serialize(
-		['name' => $action, 'interval' => $interval]));
+	file_put_contents($action_file,
+		serialize([
+			'name' => $action,
+			'interval' => $interval,
+			'explain' => $explain,
+		]));
 apiresult(['ok' => 'filter action has been succesfully saved']);
diff --git a/api/v1/http/mastodon/accounts/suspend/mod.php b/api/v1/http/mastodon/accounts/suspend/mod.php
index 428c1b3..1fe6b67 100644
--- a/api/v1/http/mastodon/accounts/suspend/mod.php
+++ b/api/v1/http/mastodon/accounts/suspend/mod.php
@@ -5,7 +5,12 @@ $_ = function() {
 	if (!valid_mastodon_account_id($id))
 		return apiresult(['error' => 'id parameter has incorrect format'], 400);
 
-	instance_http_post('/api/v1/admin/accounts/'.$id.'/action',['type' => 'suspend']);
+	$explain = 'Your account has been suspended';
+	if (isset($_POST['explain']))
+		$explain = trim($_POST['explain']);
+
+	instance_http_post('/api/v1/admin/accounts/'.$id.'/action',
+		['type' => 'suspend', 'text' => $explain ]);
 	$output = instance_http_delete('/api/v1/admin/accounts/'.$id);
 	return apiresult($output);
 };
diff --git a/js/templates/instance/filter-users.html b/js/templates/instance/filter-users.html
index c026f92..b725a90 100644
--- a/js/templates/instance/filter-users.html
+++ b/js/templates/instance/filter-users.html
@@ -120,6 +120,12 @@
 				<option value="suspend">Suspend</option>
 			</select>
 		</div>
+		<div class="input">
+			<label for="instance_action_explain">Generic explanation to users:</label>
+			<br class="sep"/>
+			<textarea type="text" name="instance_action_explain" style="min-height: 6em" class="w100"
+				placeholder="Generic explanation that will be sent to users when an action is taken..."></textarea>
+		</div>
 		<div class="input">
 			<label for="instance_action_interval">Job interval (in seconds):</label>
 			<input type="number" name="instance_action_interval" placeholder="60"/>
diff --git a/views/instance.php b/views/instance.php
index 0e518a6..941fa62 100644
--- a/views/instance.php
+++ b/views/instance.php
@@ -134,11 +134,13 @@ window.view.instance = {
 									return tpl;
 								});
 								if (js.action === null)
-									js.action = { name: 'none', interval: NaN };
+									js.action = { name: 'none', interval: NaN, explain: '' };
 								E.element('#filter-instance-action select[name=instance_action_name]')
 									.value = js.action.name;
 								E.element('#filter-instance-action input[name=instance_action_interval]')
 									.value = js.action.interval;
+								E.element('#filter-instance-action textarea[name=instance_action_explain]')
+									.value = js.action.explain;
 							});
 							break;
 						}
@@ -151,8 +153,10 @@ window.view.instance = {
 				const v = E.element('#filter-instance-action select[name=instance_action_name]').value.trim();
 				var v2 = E.element('#filter-instance-action input[name=instance_action_interval]').value.trim();
 				v2 = Number.parseInt(v2) === NaN ? 0 : Number.parseInt(v2);
-				http.get(`api/v1/config/filters/actions/put?instance=${hargs.instance}&type=users&id=${_id}&action=${v}&interval=${v2}`,
-				{},function(js){ if (js.ok) toast.info(js.ok) });
+				const v3 = E.element('#filter-instance-action textarea[name=instance_action_explain]').value.trim();
+				const payload = { interval: v2, explain: v3 };
+				http.post(`api/v1/config/filters/actions/put?instance=${hargs.instance}&type=users&id=${_id}&action=${v}`,
+					payload, function(js){ if (js.ok) toast.info(js.ok) });
 			},
 			delete_filter: function(_id) {
 				if (!confirm('Are you sure you want to delete this filter?'))