@@ -5,6 +5,7 @@ import (

 	"fmt"

 )

+// ErrConnectionFailed is a error raised when the connection between the client and the server failed.

 var ErrConnectionFailed = errors.New("Cannot connect to the Docker daemon. Is the docker daemon running on this host?")

 // imageNotFoundError implements an error returned when an image is not in the docker host.

@@ -17,7 +18,7 @@ func (i imageNotFoundError) Error() string {

 	return fmt.Sprintf("Image not found: %s", i.imageID)

 }

-// IsImageNotFound returns true if the error is caused

+// IsErrImageNotFound returns true if the error is caused

 // when an image is not found in the docker host.

 func IsErrImageNotFound(err error) bool {

 	_, ok := err.(imageNotFoundError)

@@ -34,7 +35,7 @@ func (u unauthorizedError) Error() string {

 	return u.cause.Error()

 }

-// IsUnauthorized returns true if the error is caused

+// IsErrUnauthorized returns true if the error is caused

 // when an the remote registry authentication fails

 func IsErrUnauthorized(err error) bool {

 	_, ok := err.(unauthorizedError)