Update content/microservices/kafka.md

kamilmysliwiec · web-flow · commit d697fb4f0c39 · 2022-07-21T09:55:11.000+02:00
diff --git a/content/microservices/kafka.md b/content/microservices/kafka.md
@@ -342,7 +342,7 @@ interface IncomingMessage {
 }
 ```
 
-If your endpoint involves slow processing time for each message you should consider using the `heartbeat` callback. To do this, use the `getHeartbeat()` method of the `KafkaContext` which will send heartbeat to the broker, as follows:
+If your handler involves a slow processing time for each received message you should consider using the `heartbeat` callback. To retrieve the `heartbeat` function, use the `getHeartbeat()` method of the `KafkaContext`, as follows:
 
 ```typescript
 @@filename()

Original file line number	Diff line number	Diff line change
`@@ -342,7 +342,7 @@ interface IncomingMessage {`
`342`	`342`	`}`
`343`	`343`	```
`344`	`344`
`345`		-If your endpoint involves slow processing time for each message you should consider using the `heartbeat` callback. To do this, use the `getHeartbeat()` method of the `KafkaContext` which will send heartbeat to the broker, as follows:
	`345`	+If your handler involves a slow processing time for each received message you should consider using the `heartbeat` callback. To retrieve the `heartbeat` function, use the `getHeartbeat()` method of the `KafkaContext`, as follows:
`346`	`346`
`347`	`347`	```typescript
`348`	`348`	`@@filename()`