inspect: update flag description of "--type" flag

Before this patch:

    docker inspect --help | grep '\-\-type'
          --type string     Return JSON for specified type

With this patch:

    docker inspect --help | grep '\-\-type'
          --type string     Only inspect objects of the given type

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

Author: thaJeztah

cli/command/system/inspect.go

@@ -77,7 +77,7 @@ func NewInspectCommand(dockerCli command.Cli) *cobra.Command {
 
 	flags := cmd.Flags()
 	flags.StringVarP(&opts.format, "format", "f", "", flagsHelper.InspectFormatHelp)
-	flags.StringVar(&opts.objectType, "type", "", "Return JSON for specified type")
+	flags.StringVar(&opts.objectType, "type", "", "Only inspect objects of the given type")
 	flags.BoolVarP(&opts.size, "size", "s", false, "Display total file sizes if the type is container")
 
 	_ = cmd.RegisterFlagCompletionFunc("type", completion.FromList(allTypes...))

docs/reference/commandline/inspect.md

@@ -9,7 +9,7 @@ Return low-level information on Docker objects
 |:---------------------------------------|:---------|:--------|:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | [`-f`](#format), [`--format`](#format) | `string` |         | Format output using a custom template:<br>'json':             Print in JSON format<br>'TEMPLATE':         Print output using the given Go template.<br>Refer to https://docs.docker.com/go/formatting/ for more information about formatting output with templates |
 | [`-s`](#size), [`--size`](#size)       | `bool`   |         | Display total file sizes if the type is container                                                                                                                                                                                                                  |
-| [`--type`](#type)                      | `string` |         | Return JSON for specified type                                                                                                                                                                                                                                     |
+| [`--type`](#type)                      | `string` |         | Only inspect objects of the given type                                                                                                                                                                                                                             |
 
 
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