Update CONFIGURATION.md

Co-authored-by: Lin Lin <lin.lin@solarwinds.com>

CONFIGURATION.md

@@ -129,7 +129,7 @@ Environment Variable | Config File Key | Description | Default
 `SW_APM_TRUSTEDPATH` | N/A | The library uses the host system's default trusted CA certificates to verify the TLS connection to the collector. To override the default, define the trusted certificate path configuration option with an absolute path to a specific trusted certificate file in PEM format. | None
 `SW_APM_LAMBDA_PRELOAD_DEPS` | N/A | This option only takes effect in the AWS Lambda runtime. Set to `false` to disable the attempt to preload function dependencies and install instrumentations. | `true`
 `SW_APM_TRANSACTION_NAME` | N/A | Customize the transaction name for all traces, typically used to target specific instrumented lambda functions. _Precedence order_: custom SDK > `SW_APM_TRANSACTION_NAME` > automatic naming | None
-`SW_APM_ENABLE_AFTER_FORK` | N/A | The options is mainly for background job (e.g. resque) that need fork child process. This option enables late initialization of agent that avoid certain race condition | false
+`SW_APM_ENABLE_AFTER_FORK` | N/A | For background job systems (e.g. resque) that fork child processes as jobs are received. This option delays the library initialization to the start of the child process, to avoid issues associated with gRPC's weak support of forking and cleanup. | false
 N/A | `:log_args` | Enable/disable the collection of URL query parameters, set to boolean false to disable. | true
 N/A | `:log_traceId` | Configure the insertion of trace context into application logs, setting `:traced` would include the available context fields such as trace_id, span_id into log messages. | `:never`
 N/A | `:tracing_mode` | Enable/disable the tracing mode for this service, setting `:disabled` would suppress all trace spans and metrics. | `:enabled`