diff --git a/es-es/kotlin-es.html.markdown b/es-es/kotlin-es.html.markdown
index 132e6241..80d7a4bb 100644
--- a/es-es/kotlin-es.html.markdown
+++ b/es-es/kotlin-es.html.markdown
@@ -2,6 +2,7 @@
 language: kotlin
 contributors:
 - ["S Webber", "https://github.com/s-webber"]
+- ["Aitor Escolar", "https://github.com/aiescola"]
 translators:
 - ["Ivan Alburquerque", "https://github.com/AlburIvan"]
 lang: es-es