diff --git a/README.rst b/README.rst
index dde2942..c10a6ad 100644
--- a/README.rst
+++ b/README.rst
@@ -48,8 +48,15 @@
                 08: "--include='/main(.*)python-(.*)doc'"
                 09: "--include='/main(.*)python-(.*)network'"
 
-Parameter cache_dir is optional and can be used to avoid extra disk space
+Parameter `force` is optional and can be used to force update repo even it is
+already was updated before. It ignores file ${target_dir}/.lockmirror which
+used to detect repo status.
+
+Parameter `cache_dir` is optional and can be used to avoid extra disk space
 usage for repos, which can have same packages, by using hardlinks to files.
+File ${cache_dir}/.ready detects cache readiness status and contains
+directories which are using current cache. By removing this file you will flush
+cache and lead to update all repos during next state run.
 
 **Documentation and bugs**