diff --git a/api/client/info.go b/api/client/info.go
index cf4d4fff0b..3930e1edcd 100644
--- a/api/client/info.go
+++ b/api/client/info.go
@@ -41,7 +41,7 @@ func (cli *DockerCli) CmdInfo(args ...string) error {
 
 			// print a warning if devicemapper is using a loopback file
 			if pair[0] == "Data loop file" {
-				fmt.Fprintln(cli.err, " WARNING: Usage of loopback devices is strongly discouraged for production use. Either use `--storage-opt dm.thinpooldev` or use `--storage-opt dm.no_warn_on_loop_devices=true` to suppress this warning.")
+				fmt.Fprintln(cli.err, " WARNING: Usage of loopback devices is strongly discouraged for production use. Use `--storage-opt dm.thinpooldev` to specifies a custom block storage device.")
 			}
 		}
 
diff --git a/docs/userguide/storagedriver/device-mapper-driver.md b/docs/userguide/storagedriver/device-mapper-driver.md
index 22c4eeb84f..fd8075313a 100644
--- a/docs/userguide/storagedriver/device-mapper-driver.md
+++ b/docs/userguide/storagedriver/device-mapper-driver.md
@@ -440,7 +440,7 @@ Storage Driver: devicemapper
  Deferred Deletion Enabled: false
  Deferred Deleted Device Count: 0
  Data loop file: /var/lib/docker/devicemapper/devicemapper/data
- WARNING: Usage of loopback devices is strongly discouraged for production use. Either use `--storage-opt dm.thinpooldev` or use `--storage-opt dm.no_warn_on_loop_devices=true` to suppress this warning.
+ WARNING: Usage of loopback devices is strongly discouraged for production use. Use `--storage-opt dm.thinpooldev` to specifies a custom block storage device.
  Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
  Library Version: 1.02.90 (2014-09-01)
 Logging Driver: json-file