Update modules/configuring/proc-adding-custom-configuration-files-by-using-the-operator.adoc

Author: themr0c

modules/configuring/proc-adding-custom-configuration-files-by-using-the-operator.adoc

@@ -1,7 +1,7 @@
 [id="proc-add-custom-app-config-file-ocp-operator_{context}"]
 = Adding your custom {product} configuration to a running {product-short} by using the operator
 
-Reference your custom config maps and secrets in your the `Backstage` custom resource
+Reference your custom config maps and secrets in your `Backstage` custom resource
 to redeploy your running {product} instance with your custom configuration by using the {product-short} operator.
 
 .Prerequisites