spelling: should

Author: jsoref

driver/src/main/java/org/neo4j/driver/v1/AuthTokens.java

@@ -113,7 +113,7 @@ public static AuthToken custom( String principal, String credentials, String rea
      * @param principal this used to identify who this token represents
      * @param credentials this is credentials authenticating the principal
      * @param realm this is the "realm:, specifying the authentication provider.
-     * @param scheme this it the authentication scheme, specifying what kind of authentication that shoud be used
+     * @param scheme this it the authentication scheme, specifying what kind of authentication that should be used
      * @param parameters extra parameters to be sent along the authentication provider.
      * @return an authentication token that can be used to connect to Neo4j
      * @see GraphDatabase#driver(String, AuthToken)