diff --git a/docs/advanced/how-to-create-a-registry-group.md b/docs/advanced/how-to-create-a-registry-group.md
index fe1d8fd..a947a38 100644
--- a/docs/advanced/how-to-create-a-registry-group.md
+++ b/docs/advanced/how-to-create-a-registry-group.md
@@ -3,6 +3,7 @@
 ## File Naming Conventions
 
 * `{{registry_group_name}}.go`: This file defines the registry group, including key components like structs, interfaces, constants, and variables.
+* `{{registry_group_name}}_test.go`: Includes tests for the registry group to ensure it functions as expected.
 
 {% hint style="info" %}
 This structure ensures consistency and maintainability across different registries, making it easier for developers to contribute and collaborate effectively.\