diff --git a/README.md b/README.md
index b289f91..bd60f8c 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,11 @@ The goal of this project is to get all 500 currently available stars in the form
 - [Runner](src/Runner.md)
 
   Provides data structures for structuring the division of the project into years, days, and parts.
+
+- [Main](src/Main.md)
+
+Provides the `Runner` based command line interface for running a selected day's solution.
+
 - [Util](src/Util.md)
 
   Provides extensions of the functionality of the standard library and external libraries. Extensions to the standard library are in the base of this module.