docs(readme): add details about the recovery secret in example folder…

…s cmds

README.md

@@ -129,12 +129,14 @@ Upload a directory:
 cargo run --bin safe --features local-discovery -- folders upload <dir-path>
 ```
 
+Make sure you made a backup copy of the "recovery secret" generated by the above command, or the one you have provided when prompted.
+
 After it finishes uploading the complete directory, with files and sub-directories, it will show the network address where the main directory can be pulled from.
 
-Now download the folders, providing a target directory path:
+Now you can download the folders onto any other path by providing it as the target directory path (you will be prompted to enter the "recovery secret"):
 
 ```bash
-cargo run --bin safe --features local-discovery -- folders download <network address> <dir path>
+cargo run --bin safe --features local-discovery -- folders download <dir path>
 ```
 
 If any changes are now made to files or directories within this folder, before trying to push those changes to the network, we can get a report of the changes that have been made locally: