diff --git a/README.mediawiki b/README.mediawiki
index 476a963b..957a5a52 100644
--- a/README.mediawiki
+++ b/README.mediawiki
@@ -1121,7 +1121,7 @@ Those proposing changes should consider that ultimately consent may rest with th
 | Standard
 | Draft
 |- style="background-color: #cfffcf"
-| [[bip-internalkey.md|internalkey]]
+| [[bip-0349.md|349]]
 | Consensus (soft fork)
 | OP_INTERNALKEY
 | Brandon Black, Jeremy Rubin
diff --git a/bip-internalkey.md b/bip-0349.md
similarity index 92%
rename from bip-internalkey.md
rename to bip-0349.md
index 74e0f701..56592590 100644
--- a/bip-internalkey.md
+++ b/bip-0349.md
@@ -1,9 +1,9 @@
 ```
-BIP: XXX
+BIP: 349
 Layer: Consensus (soft fork)
 Title: OP_INTERNALKEY
 Author: Brandon Black <freedom@reardencode.com>, Jeremy Rubin <j@rubin.io>
-Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-XXXX
+Comments-URI: https://github.com/bitcoin/bips/wiki/Comments:BIP-0349
 Status: Draft
 Type: Standards Track
 Created: 2023-12-22
@@ -19,8 +19,8 @@ pushes the _taproot internal key_ to the stack.
 
 When verifying taproot script path spends having leaf version `0xc0` (as
 defined in [BIP 342]), `OP_INTERNALKEY` replaces `OP_SUCCESS203` (0xcb).
-`OP_INTERNALKEY` pushes the _taproot internal key_, denoted as _P_ in
-[BIP 341], to the stack.
+`OP_INTERNALKEY` pushes the 32-byte x-only representation of the _taproot
+internal key_ (referred to as _p_), as defined in [BIP 341], to the stack.
 
 ## Motivation