diff --git a/kalamine/cli.py b/kalamine/cli.py
index 8822341..6b95666 100644
--- a/kalamine/cli.py
+++ b/kalamine/cli.py
@@ -8,7 +8,7 @@
 
 import click
 
-from .help import user_guide, create_layout
+from .help import create_layout, user_guide
 from .layout import KeyboardLayout, load_layout
 from .server import keyboard_server
 
diff --git a/kalamine/help.py b/kalamine/help.py
index 96aaafa..3ce1174 100644
--- a/kalamine/help.py
+++ b/kalamine/help.py
@@ -115,7 +115,7 @@ def user_guide() -> str:
     """Create a user guide with a sample layout description."""
 
     header = MARKDOWN_HEADER.replace(
-        "KALAMINE_LAYOUT", draw_layout(geometry="ANSI", altgr="true")
+        "KALAMINE_LAYOUT", draw_layout(geometry="ANSI", altgr=True)
     )
     return header + "\n" + "\n".join(core_guide())