diff --git a/css/grids.css b/css/grids.css
index 9bc9b48..f09b96b 100644
--- a/css/grids.css
+++ b/css/grids.css
@@ -4,6 +4,7 @@
 /* ----------------------------- */
 
 /* grids inspired from SUIT https://github.com/suitcss/suit */
+/* font-family hack explained here : https://github.com/raphaelgoetter/KNACSS/issues/37 */
 
 .grid {
 	overflow: hidden;
diff --git a/less/02-grids.less b/less/02-grids.less
index a06cd38..9f24a8a 100644
--- a/less/02-grids.less
+++ b/less/02-grids.less
@@ -1,5 +1,6 @@
 
 /* grids inspired from SUIT https://github.com/suitcss/suit */
+/* font-family hack explained here : https://github.com/raphaelgoetter/KNACSS/issues/37 */
 
 .grid {
 	overflow: hidden;