[Bug 47435] New: list of sources could not be read. entry 56

https://bugs.winehq.org/show_bug.cgi?id=47435

Bug ID: 47435
           Summary: list of sources could not be read. entry 56
           Product: WineHQ.org
           Version: unspecified
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: www-unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

in my attempt to install wine from "https://wiki.winehq.org/Ubuntu"  my
terminal error message read 
"E: Malformed entry 56 in list file /etc/apt/sources.list (Component)
E: The list of sources could not be read.

this was the ubuntu 18.04 and Linux mint 19x download box. thanx , Al