Corrected a typo "2-of-2" instead of "2-2"

glossary.asciidoc

@@ -282,7 +282,7 @@ A multipart payment (which is often also refered to as multipath payment) is a m
 multisignature::
     Multisignature (multisig) refers to requiring more than one key to authorize a Bitcoin transaction.
     Payment channels are always encoded as multisignature addresses requiring one signature from each peer of the payment channel.
-    In the standard case of a two-party payment channel a 2-2 multisignature address is used.
+    In the standard case of a two-party payment channel a 2-of-2 multisignature address is used.
 
 Neutrino::
     Neutrino is a later alternative to SPV that also verifies whether certain transactions are contained in a block without downloading the entire block. However, it offers a number of improvements over SPV: Neutrino does not transmit any information that would allow a third party to determine users’ identities, it facilitates the use of non-custodial apps, and it reduces the computational load on full nodes. The trade-off for these improvements is that Neutrino requires more data from the full node than SPV.