Update the acmed.toml man page

man/en/acmed.toml.5

@@ -40,11 +40,11 @@ Specify the directory where the certificates and their associated private keys a
 Specify the permissions to use for newly-created certificates files. See
 .Xr chmod 2
 for more details.
-.It Cm cert_file_user Ar user_id Ft string
+.It Cm cert_file_user Ar username|user_id Ft string
 Specify the user who will own newly-created certificates files. See
 .Xr chown 2
 for more details.
-.It Cm cert_file_group Ar group_id Ft string
+.It Cm cert_file_group Ar group_name|group_id Ft string
 Specify the group who will own newly-created certificates files. See
 .Xr chown 2
 for more details.
@@ -54,11 +54,11 @@ Table of environment variables that will be accessible from hooks.
 Specify the permissions to use for newly-created private-key files. See
 .Xr chmod 2
 for more details.
-.It Cm pk_file_user Ar user_id Ft string
+.It Cm pk_file_user Ar username|user_id Ft string
 Specify the user who will own newly-created private-key files. See
 .Xr chown 2
 for more details.
-.It Cm pk_file_group Ar group_id Ft string
+.It Cm pk_file_group Ar group_name|group_id Ft string
 Specify the group who will own newly-created private-key files. See
 .Xr chown 2
 for more details.