Updated Filer Setup (markdown)

Filer-Setup.md

@@ -2,10 +2,10 @@ Please add a filer.toml file to current directory, or $HOME/.seaweedfs/, or /etc
 
 The filer.toml can be generated by
 ```
-  weed scaffold -config filer -output="."
+  weed scaffold -config=filer -output="."
 ```
 
 Or if you just want to take a look:
 ```
-  weed scaffold filer 
+  weed scaffold -config=filer 
 ```