diff --git a/sample-code/hex.cl b/sample-code/hex.cl
index 0c58930..ebf0d28 100644
--- a/sample-code/hex.cl
+++ b/sample-code/hex.cl
@@ -3,7 +3,10 @@ mod math;
 
 // TODO: casting and/or conversion
 const HEX_LUT: Array = [
-    '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f',
+    '0', '1', '2', '3', //
+    '4', '5', '6', '7', //
+    '8', '9', 'a', 'b', //
+    'c', 'd', 'e', 'f', //
 ];
 
 pub fn hex(n: u64) {