Update docs/structured-streaming-kafka-integration.md

Co-Authored-By: Marcelo Vanzin <vanzin@gmail.com>

Author: gaborgsomogyi

docs/structured-streaming-kafka-integration.md

@@ -822,7 +822,7 @@ Delegation tokens can be obtained from multiple clusters and <code>${cluster}</c
 #### Kafka Specific Configurations
 
 Kafka's own configurations can be set with `kafka.` prefix, e.g, `--conf spark.kafka.clusters.${cluster}.kafka.retries=1`.
-For possible kafka parameters, see [Kafka adminclient config docs](http://kafka.apache.org/documentation.html#adminclientconfigs).
+For possible Kafka parameters, see [Kafka adminclient config docs](http://kafka.apache.org/documentation.html#adminclientconfigs).
 
 #### Caveats