anchor.diff:        default = "";
         description = ''
           Shell script code called during shell initialisation.
  -        This code is asumed to be shell-independent, which means you should
  +        This code is assumed to be shell-independent, which means you should
           stick to pure sh without sh word split.
         '';
         type = types.lines;
  
positive.code:       default = "";
        description = ''
          Shell script code called during login shell initialisation.
          This code is asumed to be shell-independent, which means you should
          stick to pure sh without sh word split.
        '';
        type = types.lines;
  
negative.code:       default = "";
        description = ''
          Shell script code called during interactive shell initialisation.
          This code is assumed to be shell-independent, which means you should
          stick to pure sh without sh word split.
        '';
        type = types.lines;
  