Fix typo in bip-0065

Author: douglaz

bip-0065.mediawiki

@@ -170,7 +170,7 @@ Proving the sacrifice of some limited resource is a common technique in a
 variety of cryptographic protocols. Proving sacrifices of coins to mining fees
 has been proposed as a ''universal public good'' to which the sacrifice could
 be directed, rather than simply destroying the coins. However doing so is
-non-trivial, and even the best existing technqiue - announce-commit sacrifices
+non-trivial, and even the best existing technique - announce-commit sacrifices
 - could encourage mining centralization. CHECKLOCKTIMEVERIFY can be used to
 create outputs that are provably spendable by anyone (thus to mining fees
 assuming miners behave optimally and rationally) but only at a time