diff --git a/README.md b/README.md
index 96b521a1d89de66165205a715a6ff5259f3aabff..e811fd4960e46f7dcf0f241ab94a99349eb16f8c 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,10 @@ facilitate configuration archival and sharing:
 
 <pre>
 BoBEAS
+|____NAMELISTS_AND_FORTRAN_FILES
+| |----namelist_cfg
+| |----namelist_ref
+|
 |____SCRIPTS
 | |----main1.sh
 | |----make_paths.sh