diff --git a/appdx-segwit.asciidoc b/appdx-segwit.asciidoc
index 37086cf9..5d69ede2 100644
--- a/appdx-segwit.asciidoc
+++ b/appdx-segwit.asciidoc
@@ -1,8 +1,7 @@
 [[segwit]]
-[appendix]
-== Segregated Witness
+=== Segregated Witness
 
-((("segwit (Segregated Witness)", id="segwit16")))Segregated Witness (segwit) is an upgrade to the bitcoin consensus rules and network protocol, proposed and implemented as a BIP-9 soft-fork that is currently (mid-2017) pending activation.
+((("segwit (Segregated Witness)", id="Ssegwit07")))Segregated Witness (segwit) is an upgrade to the bitcoin consensus rules and network protocol, proposed and implemented as a BIP-9 soft-fork that was activated on bitcoin's mainnet on August 1st, 2017.
 
 In cryptography, the term "witness" is used to describe a solution to a cryptographic puzzle. In bitcoin terms, the witness satisfies a cryptographic condition placed on a unspent transaction output (UTXO).