diff --git a/src/infra_rebuild/cli/__init__.py b/src/infra_rebuild/cli/__init__.py
index fe31d77..c7e2dd9 100644
--- a/src/infra_rebuild/cli/__init__.py
+++ b/src/infra_rebuild/cli/__init__.py
@@ -34,7 +34,17 @@ def update_recursive_option(ctx, option_name, given_value):
         ctx.obj[option_name] = given_value
 
 
-@click.group(context_settings={"help_option_names": ["-h", "--help"]}, invoke_without_command=True)
+@click.group(
+    context_settings={"help_option_names": ["-h", "--help"]},
+    invoke_without_command=True,
+    help="""Runs COMMAND for each given host.
+
+         The commands mirror the operations of nixos-rebuild (with the exception of reboot, which is simply a convenience alias for "boot --reboot").
+
+         For commands acting remotely (boot, reboot, switch, test) infra-rebuild tries to be useful without any configuration by taking the FQDN from the hosts NixOS configuration as the target host.
+         However infra-rebuild also accepts configuration to override various aspects of the target host for specific or all hosts.
+         See the documentation on configuration for more information.""",  # noqa: E501
+)
 @click.version_option(prog_name="infra-rebuild")
 @click.pass_context
 @click.option("--flake", help=flake_option_help_text)