MINOR Fix typo and change some fields of PR template (#4359)
MINOR Fix typo and change some fields of PR template (#4359)


jongyoul/zeppelin,zjffdu/zeppelin,jongyoul/zeppelin,jongyoul/zeppelin,apache/zeppelin,jongyoul/zeppelin,apache/zeppelin,zjffdu/zeppelin,jongyoul/zeppelin,apache/zeppelin,zjffdu/zeppelin,apache/zeppelin,zjffdu/zeppelin,apache/zeppelin,apache/zeppelin,zjffdu/zeppelin,zjffdu/zeppelin,jongyoul/zeppelin,zjffdu/zeppelin,jongyoul/zeppelin,apache/zeppelin