diff --git a/docs/platforms/php/common/configuration/options.mdx b/docs/platforms/php/common/configuration/options.mdx index e14078bb4c3a3d..3fe0e5b4f4a522 100644 --- a/docs/platforms/php/common/configuration/options.mdx +++ b/docs/platforms/php/common/configuration/options.mdx @@ -248,9 +248,8 @@ A function responsible for determining the percentage chance a given transaction An optional property that controls which downstream services receive tracing data, in the form of a `sentry-trace` and a `baggage` header attached to any outgoing HTTP requests. -The option may contain a list of strings against which the URLs of outgoing requests are matched. -If one of the entries in the list matches the URL of an outgoing request, trace data will be attached to that request. -Entries do not have to be full matches, meaning the URL of a request is matched when it _contains_ a string provided through the option. +The option may contain a list of strings against which the hosts of outgoing requests are matched. +If one of the entries in the list matches the host of an outgoing request, trace data will be attached to that request. If is not provided, trace data is attached to every outgoing request from the [instrumented client](../../tracing/instrumentation/requests-module/). To disable sending trace data to any downstream service, set this option to an empty array (`[]`).