Improve compression description

Author: PatAltimore

articles/iot-operations/connect-to-cloud/howto-configure-kafka.md

@@ -466,8 +466,8 @@ The compression field enables compression for the messages sent to Kafka topics.
 | ----- | ----------- | --------- |
 | none | No compression or batching is applied. *none* is the default value if no compression is specified. | Yes |
 | gzip | GZIP compression and batching are applied. GZIP is a general-purpose compression algorithm that offers a good balance between compression ratio and speed. [Event Hubs Premium](../../event-hubs/event-hubs-premium-overview.md) pricing tier is required for GZIP compression. | Yes |
-| snappy | Snappy compression is not supported by [Azure Event Hubs](../../event-hubs/azure-event-hubs-kafka-overview.md#compression). | No. Use [Apache Kafka](https://kafka.apache.org). |
-| lz4 | LZ4 compression is not supported by [Azure Event Hubs](../../event-hubs/azure-event-hubs-kafka-overview.md#compression). | No. Use [Apache Kafka](https://kafka.apache.org). |
+| snappy | Snappy compression and batching are applied. Snappy is a fast compression algorithm that offers moderate compression ratio and speed. | Not supported by [Azure Event Hubs](../../event-hubs/azure-event-hubs-kafka-overview.md#compression). Use [Apache Kafka](https://kafka.apache.org). |
+| lz4 | LZ4 compression and batching are applied. LZ4 is a fast compression algorithm that offers low compression ratio and high speed. | Not supported by [Azure Event Hubs](../../event-hubs/azure-event-hubs-kafka-overview.md#compression). Use [Apache Kafka](https://kafka.apache.org). |
 
 
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