diff --git a/xchat/cryptography-primer.mdx b/xchat/cryptography-primer.mdx
index b2dc72fec..def7dcccb 100644
--- a/xchat/cryptography-primer.mdx
+++ b/xchat/cryptography-primer.mdx
@@ -1,7 +1,7 @@
 ---
-title: Cryptography Primer
+title: X Chat cryptography primer for end-to-end encryption
 sidebarTitle: Cryptography Primer
-description: "The concepts behind X Chat end-to-end encryption: how your messages are secured."
+description: "Learn how X Chat secures messages with end-to-end encryption, key lifecycle, ECDH and ECIES schemes, digital signatures, and secure key backup."
 keywords: ["X Chat cryptography", "E2EE primer", "encryption basics", "public key encryption", "ECDH", "ECIES", "digital signatures", "conversation keys"]
 ---