diff --git a/Filer-Server-API.md b/Filer-Server-API.md
index 1393e1f..dd689ea 100644
--- a/Filer-Server-API.md
+++ b/Filer-Server-API.md
@@ -23,7 +23,7 @@ Examples:
 {"name":"report.js","size":866,"fid":"7,0254f1f3fd","url":"http://localhost:8081/7,0254f1f3fd"}
 > curl  "http://localhost:8888/javascript/report.js"   # get the file content
 ...
-> curl -F file=@report.js "http://localhost:8888/javascript/new_name.js"    # upload the file with a different name
+> curl -F file=@report.js "http://localhost:8888/javascript/new_name.js"    # upload the file with a different name (The local report.js becomes new_name.js on the server side.)
 {"name":"report.js","size":866,"fid":"3,034389657e","url":"http://localhost:8081/3,034389657e"}
 > curl  -H "Accept: application/json" "http://localhost:8888/javascript/?pretty=y"            # list all files under /javascript/
 {