diff --git a/Directories-and-Files.md b/Directories-and-Files.md
index 28a543d..7a71029 100644
--- a/Directories-and-Files.md
+++ b/Directories-and-Files.md
@@ -36,11 +36,16 @@ curl "http://localhost:8888/path/to/sources/README.md"
 curl -F "filename=@Makefile" "http://localhost:8888/path/to/sources/new_name"
 curl "http://localhost:8888/path/to/sources/new_name"
 
-# list sub folders and files
-visit "http://localhost:8888/path/to/sources/"
+# list sub folders and files, use browser to visit this url: "http://localhost:8888/path/to/sources/"
+# To list the results in JSON:
+curl -H "Accept: application/json" "http://localhost:8888/path/to/sources/new_name"
+# To list the results in pretty JSON
+curl -H "Accept: application/json" "http://localhost:8888/path/to/sources/new_name?pretty=y"
 
+# The directory list limit is default to 100
 # if lots of files under this folder, here is a way to efficiently paginate through all of them
-visit "http://localhost:8888/path/to/sources/?lastFileName=abc.txt&limit=50"
+http://localhost:8888/path/to/sources/?lastFileName=abc.txt&limit=50
+
 ```
 
 ## Architecture