diff --git a/content/olm-megolm/_index.md b/content/olm-megolm/_index.md
index 5f92f26a..c750276f 100644
--- a/content/olm-megolm/_index.md
+++ b/content/olm-megolm/_index.md
@@ -4,9 +4,7 @@ weight: 61
 type: docs
 ---
 
-The Olm and Megolm cryptographic ratchets are not formally part
-of the Matrix specification. In lack of a better place, their
-specification is reproduced here, regardless.
+Matrix uses the Olm and Megolm cryptographic ratchets for [end-to-end encryption](../client-server-api/#end-to-end-encryption).
 
 -   [Olm: A Cryptographic Ratchet](/olm-megolm/olm/)
 -   [Megolm group ratchet](/olm-megolm/megolm/)