diff --git a/source/reference/config/template-expansions.txt b/source/reference/config/template-expansions.txt
index 9cc3bc11d..95bafea03 100644
--- a/source/reference/config/template-expansions.txt
+++ b/source/reference/config/template-expansions.txt
@@ -130,7 +130,7 @@ Define a Template
       app configuration with the environment name:
 
       .. code-block::
-         :caption: realm_config.json
+         :caption: root_config.json
          :emphasize-lines: 3
 
          {