diff --git a/docs/guide/pre-processors.md b/docs/guide/pre-processors.md
index c6de149a1..03298d517 100644
--- a/docs/guide/pre-processors.md
+++ b/docs/guide/pre-processors.md
@@ -62,7 +62,7 @@ Note that `sass-loader` processes the non-indent-based `scss` syntax by default.
     {
       loader: 'sass-loader',
       options: {
-        indentedSyntax: true
+        indentedSyntax: true,
         // sass-loader version >= 8
         sassOptions: {
           indentedSyntax: true