update comments

R/fread.R

@@ -76,7 +76,7 @@ yaml=FALSE, autostart=NA, tmpdir=tempdir(), tz="UTC")
     if (w <- startsWithAny(file, c("https://", "ftps://", "http://", "ftp://", "file://"))) {  # avoid grepl() for #2531
       # nocov start
       tmpFile = tempfile(fileext = paste0(".",tools::file_ext(file)), tmpdir=tmpdir)  # retain .gz extension in temp filename so it knows to be decompressed further below
-      if (w<=2L && base::getRversion()<"3.2.2") { # https: or ftps:
+      if (w<=2L && base::getRversion()<"3.2.2") { # https: or ftps: can be read by default by download.file() since 3.2.2
         stopf("URL requires download.file functionalities from R >=3.2.2. You can still manually download the file and fread the downloaded file.")
       }
       method = if (w==5L) "internal"  # force 'auto' when file: to ensure we don't use an invalid option (e.g. wget), #1668