diff --git a/Modules.md b/Modules.md
index d98b338..c4d098a 100644
--- a/Modules.md
+++ b/Modules.md
@@ -2,6 +2,6 @@ On this page you could find modules used in Cloud Commander.
 
 * [flop](https://github.com/coderaiser/flop) - folder operations module
 * [util-io](https://github.com/coderaiser/util-io) - utilities for vanila js
-* [pipe-io](https://github.com/coderaiser/pipe-io) - 
-* [format-io](https://github.com/coderaiser/format-io)
-* [trammel](https://github.com/coderaiser/trammel)
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+* [pipe-io](https://github.com/coderaiser/pipe-io) - pipe streams and handle events
+* [format-io](https://github.com/coderaiser/format-io) - format size, permissions, etc. 
+* [trammel](https://github.com/coderaiser/trammel) - get directory size
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