diff --git a/BookChapters/README.md b/BookChapters/README.md
index 12fb1efe251e6a32d8a418eb374eac3335474b96..1e8d3f62fc78b51a53ed08fdf6b519315a0031a9 100644
--- a/BookChapters/README.md
+++ b/BookChapters/README.md
@@ -7,6 +7,6 @@ produced by a professional artist.
 
 Dr. Hamming gave permission for these chapters to get scanned and shared for
 students taking the course who needed the book.  The original versions are in
-the [scan](scan) subdirectory.  Updated versions in this directory have been
+the [scan](./scan/) subdirectory.  Updated versions in this directory have been
 produced using [Optical Character Recognition (OCR)](https://en.wikipedia.org/wiki/Optical_character_recognition) 
 via Adobe Acrobat 11 in order to facilitate search.