Fix spelling of successfully

src/qt/locale/bitcoin_sr.ts

@@ -264,7 +264,7 @@ Are you sure you wish to encrypt your wallet?</source>
     </message>
     <message>
         <location filename="../askpassphrasedialog.cpp" line="160"/>
-        <source>Wallet passphrase was succesfully changed.</source>
+        <source>Wallet passphrase was successfully changed.</source>
         <translation>Лозинка за приступ новчанику је успешно промењена.</translation>
     </message>
 </context>