diff --git a/tools/README.md b/tools/README.md
index 25ab798bd5..1f3d6c59d9 100644
--- a/tools/README.md
+++ b/tools/README.md
@@ -5,3 +5,4 @@ They aren't used by Rails apps directly.
 
   * `console` drops you in irb and loads local Rails repos
   * `profile` profiles `Kernel#require` to help reduce startup time
+  * `line_statistics` provides CodeTools module and LineStatistics class to count lines
\ No newline at end of file