diff --git a/domains/_github-pages-challenge-Robertguarneros.roberto.json b/domains/_github-pages-challenge-robertguarneros.roberto.json
similarity index 80%
rename from domains/_github-pages-challenge-Robertguarneros.roberto.json
rename to domains/_github-pages-challenge-robertguarneros.roberto.json
index 5cfd92bbc1..7def3153ec 100644
--- a/domains/_github-pages-challenge-Robertguarneros.roberto.json
+++ b/domains/_github-pages-challenge-robertguarneros.roberto.json
@@ -1,6 +1,6 @@
 {
     "owner": {
-        "username": "Robertguarneros",
+        "username": "robertguarneros",
         "LinkedIn": "https://www.linkedin.com/in/roberto-guarneros/"
     },
     "records": {