diff --git a/keyboards/ferris/sweep/keymaps/nano/keymap.c b/keyboards/ferris/sweep/keymaps/nano/keymap.c
index c31169b..b6e9591 100644
--- a/keyboards/ferris/sweep/keymaps/nano/keymap.c
+++ b/keyboards/ferris/sweep/keymaps/nano/keymap.c
@@ -15,7 +15,12 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-// This keymap is heavily inspired by Quentin LEBASTARD's work at bastardkb.com
+/*
+ * This keymap is heavily inspired by Quentin LEBASTARD's work at bastardkb.com
+ * In particular, inspiration is drawn from the Charybdis Nano layout. Notable
+ * alternations include: numbers moved to left hand, removal of rgb, various
+ * changes to thumb key layout and layer accessing layers.
+*/
 
 #include QMK_KEYBOARD_H
 #if __has_include("keymap.h")