diff --git a/README.md b/README.md
index b4f0652..da58f01 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 
 * Some portions of the specific file udb_tables.h (such as get_hatch_geo, g_hatch_continents) use strings/tables from the ["uDb" project by Jérôme Beau](https://github.com/RR0/uDb).
 
-## Data files (in 'bin' directory): 
+### Data files (in 'bin' directory): 
 * George M. Eberhart - Copyright (c) 2022
 * LeRoy Pea - Copyright (c) 9/8/1988 (updated 3/17/2005)
 * Dr. Donald A. Johnson - Copyright (c) 2012