diff --git a/developers/api-references.md b/developers/api-references.md
index dbc7b6d..a28bc14 100644
--- a/developers/api-references.md
+++ b/developers/api-references.md
@@ -74,7 +74,7 @@ Front-end developers may use our REST API ([https://api.alexgo.io](https://api.a
 [https://api.alexgo.io/swagger-ui-yaml](https://api.alexgo.io/swagger-ui-yaml)
 {% endswagger %}
 
-## Dex
+## DEX
 
 ---