Merge pull request bitcoin#684 from erikarvstedt/patch-1

Trivial: Fix typos in BIP-118

Author: luke-jr

bip-0118.mediawiki

@@ -27,7 +27,7 @@ being seen on-chain with a predetermined reaction in the form of
 another transaction.
 Often the reaction is identical, no matter which transaction is seen
 on-chain, but the application still needs to create many identical
-transaction.
+transactions.
 This is because signatures in the input of a transaction uniquely
 commit to the hash of the transaction that created the output being
 spent.
@@ -120,7 +120,7 @@ script update.
 As a soft fork, older software will continue to operate without
 modification. Non-upgraded nodes, however, will not verify the
 validity of the new sighash flag and will consider the transaction
-valid by default. Being only applicable to segwit transaction,
+valid by default. Being only applicable to segwit transactions,
 non-segwit nodes will see an anyone-can-spend script and will consider
 it valid.