Make it more consistent

docs/CONFIG-README

@@ -85,13 +85,15 @@ casesensitive):
  * The most useful ones *
 
 channel             The name of your channel. E.g. '#mychannel'
+                    (default: unset)
 
 logfile             The exact filename of the logfile. E.g. 'mylog.log'
+                    (default: unset)
 
 logsuffix           Regexes to sort logfiles by in format month||day||year
                     Note: example will work for eggdrop's default format
                     Example: logsuffix="\.\d\d([A-Za-z]+)\d\d\d\d||\.(\d\d)[A-Za-z]+\d\d\d\d||\.\d\d[A-Za-z]+(\d\d\d\d)"
-                    default: unset
+                    (default: unset)
 
 format              The logfile format. See FORMATS file for supported formats