diff --git a/README b/README
index 7cda5f2b3e..a258a335e9 100644
--- a/README
+++ b/README
@@ -39,3 +39,4 @@ Point your browser at any of these files to get started:
 doc/Manual.html	           the LAMMPS manual
 doc/Section_intro.html	   hi-level introduction to LAMMPS
 doc/Section_start.html	   how to build and use LAMMPS
+doc/Developer.pdf          LAMMPS developer guide