Merge pull request bitcoin#300 from afk11/typo-141

BIP141, fix small typo

Author: luke-jr

bip-0141.mediawiki

@@ -114,7 +114,7 @@ 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.