[minor][doc] Fix Iceberg config in README

README.md

@@ -546,7 +546,8 @@ group by 1
       - the latest connector for iceberg in AWS marketplace uses Ver 0.14.0 for Glue 3.0, and Ver 1.2.1 for Glue 4.0 where Kryo serialization fails when writing iceberg, use "org.apache.spark.serializer.JavaSerializer" for spark.serializer instead, more info [here](https://github.com/apache/iceberg/pull/546) 
     - For Athena version 2: The adapter is compatible with the Iceberg Connector from AWS Marketplace with Glue 3.0 as Fulfillment option and 0.12.0-2 (Feb 14, 2022) as Software version)
 - For Glue 4.0, to add the following configurations in dbt-profile:  
-```--conf spark.sql.catalog.glue_catalog=org.apache.iceberg.spark.SparkCatalog  
+```
+    --conf spark.sql.catalog.glue_catalog=org.apache.iceberg.spark.SparkCatalog
     --conf spark.sql.catalog.glue_catalog.warehouse=s3://<PATH_TO_YOUR_WAREHOUSE>
     --conf spark.sql.catalog.glue_catalog.catalog-impl=org.apache.iceberg.aws.glue.GlueCatalog 
     --conf spark.sql.catalog.glue_catalog.io-impl=org.apache.iceberg.aws.s3.S3FileIO