remove trailing whitespace in command descriptions

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

commands/prune.go

@@ -129,7 +129,7 @@ func pruneCmd(dockerCli command.Cli, rootOpts *rootOptions) *cobra.Command {
 
 	cmd := &cobra.Command{
 		Use:   "prune",
-		Short: "Remove build cache ",
+		Short: "Remove build cache",
 		Args:  cli.NoArgs,
 		RunE: func(cmd *cobra.Command, args []string) error {
 			options.builder = rootOpts.builder

commands/version.go

@@ -17,7 +17,7 @@ func runVersion(dockerCli command.Cli) error {
 func versionCmd(dockerCli command.Cli) *cobra.Command {
 	cmd := &cobra.Command{
 		Use:   "version",
-		Short: "Show buildx version information ",
+		Short: "Show buildx version information",
 		Args:  cli.ExactArgs(0),
 		RunE: func(cmd *cobra.Command, args []string) error {
 			return runVersion(dockerCli)