diff --git a/tgbotapi.extensions.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EventTriggers.kt b/tgbotapi.extensions.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EventTriggers.kt
index 415e2e4f11..4fe6b2c3a3 100644
--- a/tgbotapi.extensions.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EventTriggers.kt
+++ b/tgbotapi.extensions.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EventTriggers.kt
@@ -444,13 +444,16 @@ suspend fun <BC : BehaviourContext> BC.onSupergroupChatCreated(
 ) = onEvent(initialFilter, subcontextUpdatesFilter, markerFactory, scenarioReceiver)
 
 /**
+ * Please, remember that [SuccessfulPaymentEvent] will be retrieved only in case you will correctly handle
+ * [dev.inmo.tgbotapi.types.payments.PreCheckoutQuery] (via [onPreCheckoutQuery], for example)
+ *
  * @param initialFilter This filter will be called to remove unnecessary data BEFORE [scenarioReceiver] call
  * @param subcontextUpdatesFilter This filter will be applied to each update inside of [scenarioReceiver]. For example,
  * this filter will be used if you will call [dev.inmo.tgbotapi.extensions.behaviour_builder.expectations.waitContentMessage].
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTwoTypesReceiver] function to create your own.
  * Use [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.plus] or [dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times]
  * to combinate several filters
- * @param [markerFactory] Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
+ * @param markerFactory Will be used to identify different "stream". [scenarioReceiver] will be called synchronously
  * in one "stream". Output of [markerFactory] will be used as a key for "stream"
  * @param scenarioReceiver Main callback which will be used to handle incoming data if [initialFilter] will pass that
  * data