diff --git a/docs/src/main/asciidoc/spring-cloud-sleuth.adoc b/docs/src/main/asciidoc/spring-cloud-sleuth.adoc
index 5cd9eb560..a3c39db10 100644
--- a/docs/src/main/asciidoc/spring-cloud-sleuth.adoc
+++ b/docs/src/main/asciidoc/spring-cloud-sleuth.adoc
@@ -1032,6 +1032,12 @@ To block this feature, set `spring.sleuth.web.client.enabled` to `false`.
 IMPORTANT: You have to register `HttpClient` as a bean so that the instrumentation happens.
 If you create a `HttpClient` instance with a `new` keyword, the instrumentation does NOT work.
 
+==== `UserInfoRestTemplateCustomizer`
+
+We instrument the Spring Security's `UserInfoRestTemplateCustomizer`.
+
+To block this feature, set `spring.sleuth.web.client.enabled` to `false`.
+
 === Feign
 
 By default, Spring Cloud Sleuth provides integration with Feign through `TraceFeignClientAutoConfiguration`.