Unclear error message if parentheses are missing

[justprosh]

Code snippet:

func timestamp_sec(node: string) -> u64:
    on node:
        result <- Peer.timestamp_sec
    <- result

Error message:

7  func timestamp_sec(node: string) -> u64:
8      on node:
9          result <- Peer.timestamp_sec
          ^===========================
          Syntax error: Expected one of these strings: '<-', 'catch', 'co', 'else', 'for', 'if', 'on', 'otherwise', 'par', 'try'
          OR Expected symbols from 'A' to 'Z'
          OR Expected one of these strings: '<<-' on 8:15
          OR Expected symbol ':' on 8:15
          OR Expected symbol '=' on 8:15
          OR Expected symbol '(' on 8:36
10     <- result