diff --git a/CAIPs/caip-x.md b/CAIPs/caip-275.md
similarity index 99%
rename from CAIPs/caip-x.md
rename to CAIPs/caip-275.md
index 84ab4743..d39f1184 100644
--- a/CAIPs/caip-x.md
+++ b/CAIPs/caip-275.md
@@ -1,5 +1,5 @@
 ---
-caip: CAIP-X
+caip: 275
 title: Domain Wallet Authentication
 author: Chris Cassano (@glitch003), David Sneider (@davidlsneider), Federico Amura (@FedericoAmura), Gregory Markou (@GregTheGreek)
 discussions-to: https://github.com/ChainAgnostic/CAIPs/pull/275