Fix sphinx warnings in the documentation

Author: dmerejkowsky

cli_ui/__init__.py

@@ -253,8 +253,12 @@ def message(
 
 
 def fatal(*tokens: Token, exit_code: int = 1, **kwargs: Any) -> None:
-    """Print an error message and call ``sys.exit` with a given
-    `exit_code` (default: 1)`"""
+    """Print an error message and exit the program
+
+    :param tokens: list of `ui` constants or strings, like
+                   ``(cli_ui.red, "this is a fatal  error")``
+    :param exit_code: value of the exit code (default: 1)
+    """
     error(*tokens, **kwargs)
     sys.exit(exit_code)
 

docs/index.rst

@@ -196,10 +196,8 @@ Functions below use ``sys.stderr`` by default:
       Error: message
       exit(1)
 
-    ::
-
       >>> cli_ui.fatal("Another message", exit_code=2)
-      Error: message
+      Error: Another message
       exit(2)