[skywalking-cli] 24/29: Fix typo

[wusheng]

This is an automated email from the ASF dual-hosted git repository.

wusheng pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/skywalking-cli.git

commit c8eb90b64f2765cd13ea84b6932c5f3c571f58ba
Author: kezhenxu94 <kezhenx...@163.com>
AuthorDate: Sat Nov 9 21:59:31 2019 +0800

    Fix typo
---
 commands/interceptor/duration.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/commands/interceptor/duration.go b/commands/interceptor/duration.go
index 4207011..acd1d67 100644
--- a/commands/interceptor/duration.go
+++ b/commands/interceptor/duration.go
@@ -109,7 +109,7 @@ func ParseDuration(start string, end string) (time.Time, 
time.Time, schema.Step)
                        logger.Log.Fatalln("Unsupported time format:", start, 
err)
                }
                return startTime, startTime.Add(30 * stepDuration[step]), step
-       } else { // start is present
+       } else { // start is absent
                if step, endTime, err = tryParseTime(end); err != nil {
                        logger.Log.Fatalln("Unsupported time format:", end, err)
                }