diff --git a/content/rest/about-the-rest-api/comparing-githubs-rest-api-and-graphql-api.md b/content/rest/about-the-rest-api/comparing-githubs-rest-api-and-graphql-api.md
index 1efab397e231..c681314d00b8 100644
--- a/content/rest/about-the-rest-api/comparing-githubs-rest-api-and-graphql-api.md
+++ b/content/rest/about-the-rest-api/comparing-githubs-rest-api-and-graphql-api.md
@@ -82,3 +82,5 @@ mutation {
   }
 }
 ```
+
+The REST API also has the concept of conditional requests, which allow you to use ETAG and If-None-Modified headers to observe if the previous query has changed without incurring a rate limit query charge. For more information, see [AUTOTITLE](/rest/using-the-rest-api/best-practices-for-using-the-rest-api#use-conditional-requests-if-appropriate).