ISM: Proper case

Author: paveljanik

bip-0112.mediawiki

@@ -350,7 +350,7 @@ https://github.com/bitcoin/bitcoin/pull/6564
 
 ==Deployment==
 
-This BIP is to be deployed by either version-bits BIP9 or by isSuperMajority(). Exact details TDB.
+This BIP is to be deployed by either version-bits BIP9 or by IsSuperMajority(). Exact details TDB.
 
 It is recommended to deploy BIP68 and BIP113 at the same time as this BIP.