Fixing copyright typo

Author: hakim

bip-XYZ.mediawiki

@@ -23,7 +23,7 @@ a group of easy to remember emojisets -- for the generation of deterministic wal
 
 Today emoji characters are globally recognized symbols with strong visual memorability. 
 
-==Copyright==
+==License==
 
 This BIP inherits the MIT License.
 
@@ -41,3 +41,4 @@ Reference implementation including wordlists is available from
 - https://emojiseed.com/#readme
 - http://github.com/emojiseed/emoji-mnemonic
 
+