[hotfix] [doc] Fix some typos for document and test case. (apache#5055)

Author: yangjf2019

docs/content/maintenance/dedicated-compaction.md

@@ -34,7 +34,7 @@ enable `'lock.enabled'` option for the catalog.
 {{< /hint >}}
 
 By default, Paimon supports concurrent writing to different partitions. A recommended mode is that streaming
-job writes records to Paimon's latest partition; Simultaneously batch job (overwrite) writes records to the
+job writes records to Paimon's latest partition, Simultaneously batch job (overwrite) writes records to the
 historical partition.
 
 {{< img src="/img/multiple-writers.png">}}

paimon-spark/paimon-spark-ut/src/test/scala/org/apache/paimon/spark/procedure/RemoveOrphanFilesProcedureTest.scala

@@ -204,7 +204,7 @@ class RemoveOrphanFilesProcedureTest extends PaimonSparkTestBase {
 
     checkAnswer(
       spark.sql(
-        s"CALL sys.remove_orphan_files(table => 'T', older_than => '$older_than1', mode => 'diSTributed')"),
+        s"CALL sys.remove_orphan_files(table => 'T', older_than => '$older_than1', mode => 'distributed')"),
       Row(1, 1) :: Nil)
 
     val older_than2 = DateTimeUtils.formatLocalDateTime(