anchor.diff:        };
   
         blacklist = mkOption {
  -        description = "Any metrics received which match one of the experssions will be dropped";
  +        description = "Any metrics received which match one of the experssions will be dropped.";
           default = null;
           type = types.uniq (types.nullOr types.string);
           example = "^some\.noisy\.metric\.prefix\..*";
         };
   
         whitelist = mkOption {
  -        description = "Only metrics received which match one of the experssions will be persisted";
  +        description = "Only metrics received which match one of the experssions will be persisted.";
           default = null;
           type = types.uniq (types.nullOr types.string);
           example = ".*";
         };
   
         rewriteRules = mkOption {
  -        description = "Regular expression patterns that can be used to rewrite metric names in a search and replace fashion";
  +        description = ''
  +          Regular expression patterns that can be used to rewrite metric names
  +          in a search and replace fashion.
  +        '';
           default = null;
           type = types.uniq (types.nullOr types.string);
           example = ''
  
positive.code:       };
  
        enableRelay = mkOption {
          description = "Whether to enable carbon relay, the carbon replication and sharding service";
          default = false;
          type = types.uniq types.bool;
        };
  
negative.code:       };
  
        enableAggregator = mkOption {
          description = "Whether to enable carbon agregator, the carbon buffering service.";
          default = false;
          type = types.uniq types.bool;
        };
  
        aggregationRules = mkOption {
          description = "Defines if and how received metrics will be agregated.";
          default = null;
          type = types.uniq (types.nullOr types.string);
          example = ''
  