fix

Author: 10110346

docs/sql-programming-guide.md

@@ -965,6 +965,8 @@ Configuration of Parquet can be done using the `setConf` method on `SparkSession
     `parquet.compression` is specified in the table-specific options/properties, the precedence would be
     `compression`, `parquet.compression`, `spark.sql.parquet.compression.codec`. Acceptable values include:
     none, uncompressed, snappy, gzip, lzo, brotli, lz4, zstd.
+    Note that `zstd` requires `ZStandardCodec` to be installed before Hadoop 2.9.0, `brotli` requires
+    `BrotliCodec` to be installed.
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