Note record usage

src/content/chapter1_functions/lesson09_label_shorthand_syntax/code.gleam

@@ -3,16 +3,14 @@ pub fn main() {
   let unit_price = 10.0
   let discount = 0.2
 
-  // Explicitly providing local variable names when calling the function.
+  // Using the regular label syntax
   calculate_total_cost(
     quantity: quantity,
     unit_price: unit_price,
     discount: discount,
   )
 
-  // However, since our local variable names are identical to the argument
-  // labels, we can omit the variable names entirely and use shorthand label
-  // syntax.
+  // Using the shorthand syntax
   calculate_total_cost(quantity:, unit_price:, discount:)
 }
 
@@ -23,6 +21,5 @@ fn calculate_total_cost(
 ) -> Float {
   let subtotal = quantity *. price
   let discount = subtotal *. discount
-
   subtotal -. discount
 }

src/content/chapter1_functions/lesson09_label_shorthand_syntax/en.html

@@ -3,3 +3,4 @@
   the variable names can be omitted when calling the function. This is known as
   shorthand syntax for labels.
 </p>
+<p>The shorthand syntax can also be used for record constructor arguments.</p>