diff --git a/docs/en/setup/backend/configuration-vocabulary.md b/docs/en/setup/backend/configuration-vocabulary.md
index 00fd030b4c..20e1889bdd 100644
--- a/docs/en/setup/backend/configuration-vocabulary.md
+++ b/docs/en/setup/backend/configuration-vocabulary.md
@@ -341,7 +341,7 @@ The Configuration Vocabulary lists all available configurations provided by `app
 | aws-firehose-receiver   | default       | host                                                                                                                                                                     | Binding IP of HTTP server                                                                                                                                                                                                                                                                                                                                                                                                                                                  | SW_RECEIVER_AWS_FIREHOSE_HTTP_HOST                    | 0.0.0.0                                                                                      |
 | -                       | -             | port                                                                                                                                                                     | Binding port of HTTP server                                                                                                                                                                                                                                                                                                                                                                                                                                                | SW_RECEIVER_AWS_FIREHOSE_HTTP_PORT                    | 12801                                                                                        |
 | -                       | -             | contextPath                                                                                                                                                              | Context path of HTTP server                                                                                                                                                                                                                                                                                                                                                                                                                                                | SW_RECEIVER_AWS_FIREHOSE_HTTP_CONTEXT_PATH            | /                                                                                            |
-| -                       | -             | maxThreads                                                                                                                                                               | Max Thtread number of HTTP server                                                                                                                                                                                                                                                                                                                                                                                                                                          | SW_RECEIVER_AWS_FIREHOSE_HTTP_MAX_THREADS             | 200                                                                                          |
+| -                       | -             | maxThreads                                                                                                                                                               | Max Thread number of HTTP server                                                                                                                                                                                                                                                                                                                                                                                                                                          | SW_RECEIVER_AWS_FIREHOSE_HTTP_MAX_THREADS             | 200                                                                                          |
 | -                       | -             | idleTimeOut                                                                                                                                                              | Idle timeout of a connection for keep-alive.                                                                                                                                                                                                                                                                                                                                                                                                                               | SW_RECEIVER_AWS_FIREHOSE_HTTP_IDLE_TIME_OUT           | 30000                                                                                        |
 | -                       | -             | acceptQueueSize                                                                                                                                                          | Maximum allowed number of open connections                                                                                                                                                                                                                                                                                                                                                                                                                                 | SW_RECEIVER_AWS_FIREHOSE_HTTP_ACCEPT_QUEUE_SIZE       | 0                                                                                            |
 | -                       | -             | maxRequestHeaderSize                                                                                                                                                     | Maximum length of all headers in an HTTP/1 response                                                                                                                                                                                                                                                                                                                                                                                                                        | SW_RECEIVER_AWS_FIREHOSE_HTTP_MAX_REQUEST_HEADER_SIZE | 8192                                                                                         |