diff --git a/v1/section_object-api-response-formats.xml b/v1/section_object-api-response-formats.xml
index 1f6de64..b4b01e3 100644
--- a/v1/section_object-api-response-formats.xml
+++ b/v1/section_object-api-response-formats.xml
@@ -14,7 +14,7 @@
formats are supported.
To run the cURL command examples, you must export environment
+ linkend="env-vars">environment
variables.To define the response format, use one of these