scripts: Correct help output
Using --image is mandatory if you want that mode.
@@ -15,12 +15,12 @@ Available modes: --hash and --image
Replace by hash:
$0 --hash <OLD> <NEW>
- Example: $0 8675309abcdefg abcdef567899
+ Example: $0 --hash 8675309abcdefg abcdef567899
Will replace all instances of 8675309abcdefg with abcdef567899
Replace by image: $0 --image <IMAGE> <NEW>
$0 --image <IMAGE> <NEW>
- Example: $0 linuxkit/foo abcdef567899
+ Example: $0 --image linuxkit/foo abcdef567899
Will tag all instances of linuxkit/foo with abcdef567899
By default, for convenience, if no mode is given (--image or --hash), the first method (--hash) is assumed.
