diff --git a/README.md b/README.md
index 0b1c59f..db7b9c1 100644
--- a/README.md
+++ b/README.md
@@ -6,4 +6,4 @@ The web page for Deduce is at the following link:
 The directory structure:
 * `/doc` Documentation for Deduce
 * `/test` Deduce files used for testing Deduce.
-* 
+* `/lark` Copy of the Lark parser generator.