diff --git a/content/learn/advanced/custom-interactions/creating-interactive-elements.md b/content/learn/advanced/custom-interactions/creating-interactive-elements.md
index 75872c7..2024647 100644
--- a/content/learn/advanced/custom-interactions/creating-interactive-elements.md
+++ b/content/learn/advanced/custom-interactions/creating-interactive-elements.md
@@ -18,7 +18,7 @@ also have to attach it to a message. We do that by calling the
 Finally, we send the message.
 
 ```yag
-{{ $button := cbutton "label" "My Cool Button" "custom-id" "buttons-duck" }}
+{{ $button := cbutton "label" "My Cool Button" "custom_id" "buttons-duck" }}
 {{ $m := complexMessage "buttons" $button }}
 {{ sendMessage nil $m }}
 ```