docs: Update documentation about support for unix globbing (#2016)

[skip ci]

README.md

@@ -169,7 +169,7 @@ nodemon --watch app --watch libs app/server.js
 
 Now nodemon will only restart if there are changes in the `./app` or `./libs` directory. By default nodemon will traverse sub-directories, so there's no need in explicitly including sub-directories.
 
-Don't use unix globbing to pass multiple directories, e.g `--watch ./lib/*`, it won't work. You need a `--watch` flag per directory watched.
+Nodemon also supports unix globbing, e.g `--watch './lib/*'`. The globbing pattern must be quoted.
 
 ## Specifying extension watch list