diff --git a/book/custom_commands.md b/book/custom_commands.md
index 0a526c61c45..4dd361aa762 100644
--- a/book/custom_commands.md
+++ b/book/custom_commands.md
@@ -333,7 +333,7 @@ By default, positional parameters are _required_. Using our previous definition
 
 ```nu
 def greet [name1, name2] {
-  $"Hello, ($name)!"
+  $"Hello, ($name1) and ($name2)!"
 }
 
 greet Wei Mei