Fix typo in checkpoint/restore related texts

Signed-off-by: Adrian Reber <[email protected]>

cmd/podman/restore.go

@@ -61,7 +61,7 @@ func restoreCmd(c *cliconfig.RestoreValues, cmd *cobra.Command) error {
 	defer runtime.DeferredShutdown(false)
 
 	if c.Import == "" && c.Name != "" {
-		return errors.Errorf("--name can only used with --import")
+		return errors.Errorf("--name can only be used with --import")
 	}
 
 	if c.Name != "" && c.TcpEstablished {

libpod/container_api.go

@@ -792,10 +792,8 @@ type ContainerCheckpointOptions struct {
 	// TCPEstablished tells the API to checkpoint a container
 	// even if it contains established TCP connections
 	TCPEstablished bool
-	// Export tells the API to write the checkpoint image to
-	// the filename set in TargetFile
-	// Import tells the API to read the checkpoint image from
-	// the filename set in TargetFile
+	// TargetFile tells the API to read (or write) the checkpoint image
+	// from (or to) the filename set in TargetFile
 	TargetFile string
 	// Name tells the API that during restore from an exported
 	// checkpoint archive a new name should be used for the