diff --git a/datasette/cli.py b/datasette/cli.py
index ea6da748..65da5613 100644
--- a/datasette/cli.py
+++ b/datasette/cli.py
@@ -123,7 +123,11 @@ def sqlite_extensions(fn):
 @click.version_option(version=__version__)
 def cli():
     """
-    Datasette!
+    Datasette is an open source multi-tool for exploring and publishing data
+
+    \b
+    About Datasette: https://datasette.io/
+    Full documentation: https://docs.datasette.io/
     """