Minor edits and links

Author: Robert Spigler

bip-0087.mediawiki

@@ -76,7 +76,7 @@ Each level has a special meaning, described in the chapters below.
 
 ===Purpose===
 
-Purpose is a constant set to XY' following the BIP43 recommendation.
+Purpose is a constant set to 87' following the BIP43 recommendation.
 It indicates that the subtree of this node is used according to this specification.
 
 Hardened derivation is used at this level.
@@ -131,15 +131,15 @@ For example:
 
 The following descriptor template and derivation path restrictions:
 
-<code>wsh(sortedmulti(2,[xfpForA/XY'/0'/0']XpubA/**,[xfpForB/XY'/0'/0']XpubB/**))</code>
+<code>wsh(sortedmulti(2,[xfpForA/87'/0'/0']XpubA/**,[xfpForB/87'/0'/0']XpubB/**))</code>
 
 <code>/0/*,/1/*</code>
 
 Expands to the two concrete descriptors:
 
-<code>wsh(sortedmulti(2,[xfpForA/XY'/0'/0']XpubA/0/*,[xfpForB/XY'/0'/0']XpubB/0/*))</code>
+<code>wsh(sortedmulti(2,[xfpForA/87'/0'/0']XpubA/0/*,[xfpForB/87'/0'/0']XpubB/0/*))</code>
 
-<code>wsh(sortedmulti(2,[xfpForA/XY'/0'/0']XpubA/1/*,[xfpForB/XY'/0'/0']XpubB/1/*))</code>
+<code>wsh(sortedmulti(2,[xfpForA/87'/0'/0']XpubA/1/*,[xfpForB/87'/0'/0']XpubB/1/*))</code>
 
 To discover addresses, import both the receiving and change descriptors; respect the gap limit described below.
 
@@ -214,7 +214,7 @@ As wallets complying with this BIP are descriptor wallets, this therefore necess
 |first
 |external
 |second
-|m / XY' / 1' / 0' / 0 / 1
+|m / 87' / 1' / 0' / 0 / 1
 |-
 |testnet
 |first
@@ -265,10 +265,10 @@ Special thanks to SomberNight, Craig Raw, David Harding, Jochen Hoenicke, Sjors
 
 Original mailing list thread: https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2021-March/018630.html
 
-* [[bip-0032.mediawiki|BIP32 - Hierarchical Deterministic Wallets]]
-* [[bip-0043.mediawiki|BIP43 - Purpose Field for Deterministic Wallets]]
-* [[bip-0044.mediawiki|BIP44 - Multi-Account Hierarchy for Deterministic Wallets]]
+* [https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki BIP-0032 (Hierarchical Deterministic Wallets)]
+* [https://github.com/bitcoin/bips/blob/master/bip-0043.mediawiki BIP-0043 (Purpose Field for Deterministic Wallets)]
+* [https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki BIP-0044 (Multi-Account Hierarchy for Deterministic Wallets)]
 * [https://github.com/bitcoin/bitcoin/blob/master/doc/descriptors.md Output Descriptors]
-* [[bip-0174.mediawiki|BIP174 - Partially Signed Bitcoin Transaction Format]]
-* [[bip-0067.mediawiki|BIP67 - Deterministic Pay-to-script-hash multi-signature addresses through public key sorting]]
-* [[bip-0129.mediawiki|BIP129 - Bitcoin Secure Multisig Setup (BSMS)]]
+* [https://github.com/bitcoin/bips/blob/master/bip-0174.mediawiki BIP-0174 (Partially Signed Bitcoin Transaction Format)]
+* [https://github.com/bitcoin/bips/blob/master/bip-0067.mediawiki BIP-0067 (Deterministic Pay-to-script-hash multi-signature addresses through public key sorting)]
+* [https://github.com/bitcoin/bips/blob/master/bip-0129.mediawiki BIP-0129 (Bitcoin Secure Multisig Setup)]