fix invalid pattern argument error msg

src/borg/patterns.py

@@ -368,7 +368,7 @@ def parse_inclexcl_command(cmd_line_str, fallback=ShellPattern):
 
     cmd = cmd_prefix_map.get(cmd_line_str[0])
     if cmd is None:
-        raise argparse.ArgumentTypeError("A pattern/command must start with anyone of: %s" % ", ".join(cmd_prefix_map))
+        raise argparse.ArgumentTypeError("A pattern/command must start with any of: %s" % ", ".join(cmd_prefix_map))
 
     # remaining text on command-line following the command character
     remainder_str = cmd_line_str[1:].lstrip()