diff --git a/src/doc/style-guide/src/expressions.md b/src/doc/style-guide/src/expressions.md
index 143161da6cf..40183063869 100644
--- a/src/doc/style-guide/src/expressions.md
+++ b/src/doc/style-guide/src/expressions.md
@@ -803,6 +803,16 @@ foo(|param| {
     action();
     foo(param)
 })
+
+let x = combinable([
+    an_expr,
+    another_expr,
+]);
+
+let arr = [combinable(
+    an_expr,
+    another_expr,
+)];
 ```
 
 Such behaviour should extend recursively, however, tools may choose to limit the