diff --git a/README.md b/README.md
index 74d0325..f07cc0b 100644
--- a/README.md
+++ b/README.md
@@ -4,4 +4,5 @@
 - **command_line** - scripts that can be used at a unix/linux commandline.
 - **data** - sample data. csvs, jsons, xmls.
 - **koans** - ruby koans.
-- **programming_books** - excercises and examples from ruby programming books.
\ No newline at end of file
+- **modules** - modules to hold various namespaces to more efficiently organize code.
+- **programming_books** - excercises and examples from ruby programming books.