diff --git a/apps/server/slack-manifest.json b/apps/server/slack-manifest.json
index b0ebe94f..f6953e78 100644
--- a/apps/server/slack-manifest.json
+++ b/apps/server/slack-manifest.json
@@ -54,8 +54,8 @@
       {
         "command": "/openstatus",
         "url": "https://api.openstatus.dev/slack/commands",
-        "description": "Run incidents and manage status page subscriptions",
-        "usage_hint": "incident declare | incident list | subscribe <status-page-url> | help",
+        "description": "Declare incidents and subscribe channels to status pages",
+        "usage_hint": "[incident | subscribe | help]",
         "should_escape": false
       }
     ]
diff --git a/apps/server/src/routes/slack/commands.test.ts b/apps/server/src/routes/slack/commands.test.ts
index 4735c844..765e171a 100644
--- a/apps/server/src/routes/slack/commands.test.ts
+++ b/apps/server/src/routes/slack/commands.test.ts
@@ -109,6 +109,12 @@ describe("handleSlackCommand (members only)", () => {
     expect(json.text).toContain("/openstatus subscribe");
   });
 
+  test("no argument shows help", async () => {
+    const res = await post(app, "", `U_${crypto.randomUUID()}`);
+    const json = (await res.json()) as { text: string };
+    expect(json.text).toContain("/openstatus subscribe");
+  });
+
   test("an unlinked user gets the link card instead of running the command", async () => {
     slackTestState.usersInfoImpl = () =>
       Promise.resolve({ ok: true, user: { profile: {} } });