diff --git a/src/variables/modes/_dark.scss b/src/variables/modes/_dark.scss
index 998e85d..9542a44 100644
--- a/src/variables/modes/_dark.scss
+++ b/src/variables/modes/_dark.scss
@@ -1,3 +1,5 @@
+// Dark mode
+
 $shallowest: #212121;
 $shallower: #555;
 $shallow: #777;
diff --git a/src/variables/modes/_light.scss b/src/variables/modes/_light.scss
index eb21033..36216e2 100644
--- a/src/variables/modes/_light.scss
+++ b/src/variables/modes/_light.scss
@@ -1,3 +1,5 @@
+// Light mode
+
 $shallowest: #f8f8f8;
 $shallower: #ddd;
 $shallow: #bbb;