allschemas must be last

Author: gvasquezvargas

product_docs/docs/migration_toolkit/55/07_invoking_mtk/mtk_command_options_in_file/executing_migration_with_txt.mdx

@@ -20,7 +20,7 @@ You can specify all options in the file, or use a mix of command line and option
 
 You must specify the scope of the schemas to be migrated.
 
--   If you want to migrate all schemas: Add the `-allSchemas` option in the command line or add `allSchemas` in your options file.
+-   If you want to migrate all schemas: Add the `-allSchemas` option in the command line or add `allSchemas` in your options file. Regardless of which method you use, this option must be the last parameter.
 
 -   If you want to specify one or several schemas: Specify the schemas you want to migrate in the command line with no preceding option. They have to be the last parameter in the command line.