Tidy up command descriptions

Rewordings and removal of superfluous newlines.

Signed-off-by: Hidde Beydals <hello@hidde.co>

cmd/flux/create_image.go

@@ -17,20 +17,17 @@ limitations under the License.
 package main
 
 import (
-	"strings"
-
 	"github.com/spf13/cobra"
 )
 
-const createImageLong = `
-The create image sub-commands work with image automation objects; that is,
+const createImageLong = `The create image sub-commands work with image automation objects; that is,
 object controlling updates to git based on e.g., new container images
 being available.`
 
 var createImageCmd = &cobra.Command{
 	Use:   "image",
 	Short: "Create or update resources dealing with image automation",
-	Long:  strings.TrimSpace(createImageLong),
+	Long:  createImageLong,
 }
 
 func init() {