diff --git a/less/variables.less b/less/variables.less
index 81b53f8d..8b114da9 100644
--- a/less/variables.less
+++ b/less/variables.less
@@ -349,6 +349,9 @@
 // Grid system
 // --------------------------------------------------
 
+// Number of columns in the grid system
 @grid-columns:              12;
+// Padding, to be divided by two and applied to the left and right of all columns
 @grid-gutter-width:         30px;
+// Point at which the navbar stops collapsing
 @grid-float-breakpoint:     768px;