diff --git a/ch03.asciidoc b/ch03.asciidoc
index f66fd4c3..0fc37f5e 100644
--- a/ch03.asciidoc
+++ b/ch03.asciidoc
@@ -779,7 +779,7 @@ https://github.com/bit-wasp/bitcoin-php[bitwasp/bitcoin]:: A PHP bitcoin library
 ==== Python
 https://github.com/petertodd/python-bitcoinlib[python-bitcoinlib]::  A Python bitcoin library, consensus library, and node by Peter Todd
 https://github.com/richardkiss/pycoin[pycoin]:: A Python bitcoin library by Richard Kiss
-https://github.com/primal100/pybitcointools[pybitcointools]:: An archieved fork Python bitcoin library by Vitalik Buterin
+https://github.com/primal100/pybitcointools[pybitcointools]:: An archived fork of Python bitcoin library by Vitalik Buterin
 
 ==== Ruby
 https://github.com/sinisterchipmunk/bitcoin-client[bitcoin-client]:: A Ruby library wrapper for the JSON-RPC API