diff --git a/src/reference/asciidoc/index.adoc b/src/reference/asciidoc/index.adoc
index a85ab849..3fdc7429 100644
--- a/src/reference/asciidoc/index.adoc
+++ b/src/reference/asciidoc/index.adoc
@@ -12,6 +12,12 @@ Mark Pollack; Mark Fisher; Oleg Zhurakousky; Dave Syer; Gary Russell; Gunnar Hil
 
 ifdef::backend-html5[]
 *{project-version}*
+
+NOTE: This documentation is also available as https://docs.spring.io/spring-amqp/docs/current/reference/pdf/spring-amqp-reference.pdf[PDF].
+endif::[]
+
+ifdef::backend-pdf[]
+NOTE: This documentation is also available as https://docs.spring.io/spring-amqp/docs/current/reference/html/index.html[HTML].
 endif::[]
 
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