Fix argument order.

Converted from getsops/sops@383e9d6

Signed-off-by: Felix Fontein <felix@fontein.de>

Author: felixfontein

content/en/docs/_index.md

@@ -1609,10 +1609,10 @@ You can also provide the value from a file or stdin:
 ``` sh
 # Provide the value from a file
 $ echo '{"uid1":null,"uid2":1000,"uid3":["bob"]}' > /tmp/example-value
-$ sops set ~/git/svc/sops/example.yaml --value-file '["an_array"][1]' /tmp/example-value
+$ sops set --value-file ~/git/svc/sops/example.yaml '["an_array"][1]' /tmp/example-value
 
 # Provide the value from stdin
-$ echo '{"uid1":null,"uid2":1000,"uid3":["bob"]}' | sops set ~/git/svc/sops/example.yaml --value-stdin '["an_array"][1]'
+$ echo '{"uid1":null,"uid2":1000,"uid3":["bob"]}' | sops set --value-stdin ~/git/svc/sops/example.yaml '["an_array"][1]'
 ```
 
 ## Unset a sub-part in a document tree