diff --git a/_includes/devdoc/ref_block_chain.md b/_includes/devdoc/ref_block_chain.md index 5cb471a9..2db7583d 100644 --- a/_includes/devdoc/ref_block_chain.md +++ b/_includes/devdoc/ref_block_chain.md @@ -73,7 +73,7 @@ fe9f0864 ........................... Nonce (February 2012). * **Version 4** blocks specified in BIP65 and introduced in Bitcoin Core 0.11.2 -* (November 2015) as a soft fork became active in December 2015. These blocks now support the new + (November 2015) as a soft fork became active in December 2015. These blocks now support the new `OP_CHECKLOCKTIMEVERIFY` opcode described in that BIP. The mechanism used for the version 2, 3, and 4 upgrades is commonly