diff --git a/doc/site/method-calls.markdown b/doc/site/method-calls.markdown
index 2814a071..dbda3c9d 100644
--- a/doc/site/method-calls.markdown
+++ b/doc/site/method-calls.markdown
@@ -11,7 +11,7 @@ You have a *receiver* expression (here `System`) followed by a `.`, then a name
 are separated by commas:
 
     :::wren
-    list.insert("item", 3)
+    list.insert(3, "item")
 
 The argument list can also be empty: