diff --git a/xchat/cryptography-primer.mdx b/xchat/cryptography-primer.mdx
index b2dc72fec..87c2b4e8a 100644
--- a/xchat/cryptography-primer.mdx
+++ b/xchat/cryptography-primer.mdx
@@ -1,6 +1,6 @@
 ---
-title: Cryptography Primer
-sidebarTitle: Cryptography Primer
+title: Cryptography primer
+sidebarTitle: Cryptography primer
 description: "The concepts behind X Chat end-to-end encryption: how your messages are secured."
 keywords: ["X Chat cryptography", "E2EE primer", "encryption basics", "public key encryption", "ECDH", "ECIES", "digital signatures", "conversation keys"]
 ---