diff --git a/scripts/postcss/css-compile-variables.js b/scripts/postcss/css-compile-variables.js
index cc822517..0f58a635 100644
--- a/scripts/postcss/css-compile-variables.js
+++ b/scripts/postcss/css-compile-variables.js
@@ -124,6 +124,7 @@ function populateMapWithDerivedVariables(map, cssFileLocation) {
  * @param {string} value - The base value on which an operation is applied
  * @param {string} operation - The operation to be applied (eg: darker, lighter...)
  * @param {string} argument - The argument for this operation
+ * @param {boolean} isDark - Indicates whether this theme is dark
  */
 /**
  *