diff --git a/README.md b/README.md
index bfcb71ed..4cd4fad6 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-This is a zulip bot to create mostr tasks on a nostr relay.
+A Zulip bot to create [mostr](https://forge.ftt.gmbh/janek/mostr) tasks on a nostr relay.
 
 # Quickstart
 
diff --git a/mostr.py b/mostr.py
index d6f4c8bd..26004b6f 100644
--- a/mostr.py
+++ b/mostr.py
@@ -20,10 +20,13 @@ def parse_pubkey(key_str: str) -> PublicKey:
 
 
 class MostrHandler:
-    """A Zulip bot for Mostr"""
+    """A Zulip bot to create mostr tasks on a nostr relay."""
 
     def usage(self) -> str:
-        return "Send me a message to create a task!"
+        return """
+            Send me a message to create a task!
+            Use '#' and '-' to add resp. remove tags from the current context.
+            """
 
     def initialize(self, bot_handler: AbstractBotHandler) -> None:
         self.config_info = bot_handler.get_config_info('mostr')