Update readme

Author: marc-gr

README.md

@@ -386,7 +386,7 @@ Use this command to check if linked files references inside the current director
 
 _Context: global_
 
-List packages linking files from this path.
+Use this command to list all packages that have linked file references that include the current directory.
 
 ### `elastic-package links update`
 

cmd/links.go

@@ -106,6 +106,7 @@ func getLinksListCommand() *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "list",
 		Short: "List packages linking files from this path",
+		Long:  linksListLongDescription,
 		Args:  cobra.NoArgs,
 		RunE:  linksListCommandAction,
 	}