diff --git a/README.md b/README.md
index ea10a28..552b6b5 100644
--- a/README.md
+++ b/README.md
@@ -184,8 +184,8 @@ render("{{ even(42) }}", data); // true
 render("{{ divisibleBy(42, 7) }}", data); // true
 
 // Set default values if variables are not defined
-render("Hello {{ default(neighbour, "my friend") }}!"); // "Hello Peter!"
-render("Hello {{ default(colleague, "my friend") }}!"); // "Hello my friend!"
+render("Hello {{ default(neighbour, \"my friend\") }}!"); // "Hello Peter!"
+render("Hello {{ default(colleague, \"my friend\") }}!"); // "Hello my friend!"
 ```
 
 ### Callbacks