HADOOP-14256. [S3A DOC] Correct the format for "Seoul" example. Contributed by Brahma Reddy Battula.

hadoop-tools/hadoop-aws/src/site/markdown/tools/hadoop-aws/index.md

@@ -1024,6 +1024,7 @@ Frankfurt
 ```
 
 Seoul
+
 ```xml
 <property>
   <name>fs.s3a.endpoint</name>