diff --git a/src/guide/receive_onchain.md b/src/guide/receive_onchain.md
index be56fb5..37edab8 100644
--- a/src/guide/receive_onchain.md
+++ b/src/guide/receive_onchain.md
@@ -474,7 +474,7 @@ do {
 <div slot="title">Android</div>
 <section>
 
-```kotlin, ignore
+```kotlin,ignore
 // TODO add example for openChannelFee
 ```
 </section>