diff --git a/bip-0141.mediawiki b/bip-0141.mediawiki
index 7266e9d7..1c8abc9c 100644
--- a/bip-0141.mediawiki
+++ b/bip-0141.mediawiki
@@ -92,7 +92,7 @@ The new rule is total ''block cost'' ≤ 4,000,000.
 
 Sigops per block is currently limited to 20,000. We change this restriction as follows:
 
-''Sigop cost'' is defined. The cost of a sigop in traditoinal script is 4, while the cost of a sigop in witness program is 1.
+''Sigop cost'' is defined. The cost of a sigop in traditional script is 4, while the cost of a sigop in witness program is 1.
 
 The new rule is total ''sigop cost'' ≤ 80,000.