[SPARK-3715][Docs]minor typo

https://issues.apache.org/jira/browse/SPARK-3715

Author: WangTaoTheTonic <barneystinson@aliyun.com>

Closes #2567 from WangTaoTheTonic/minortypo and squashes the following commits:

9cc3f7a [WangTaoTheTonic] minor typo

(cherry picked from commit 1f13a40ccd5a869aec62788a1e345dc24fa648c8)
Signed-off-by: Michael Armbrust <michael@databricks.com>
[CORE] Bugfix: LogErr format in DAGScheduler.scala

Author: Zhang, Liye <liye.zhang@intel.com>

Closes #2572 from liyezhang556520/DAGLogErr and squashes the following commits:

5be2491 [Zhang, Liye] Bugfix: LogErr format in DAGScheduler.scala

(cherry picked from commit 657bdff41a27568a981b3e342ad380fe92aa08a0)
Signed-off-by: Reynold Xin <rxin@apache.org>