diff --git a/include/libcamera/internal/pipeline_handler.h b/include/libcamera/internal/pipeline_handler.h
index c6454db6b2c4..82fdc1fee9b9 100644
--- a/include/libcamera/internal/pipeline_handler.h
+++ b/include/libcamera/internal/pipeline_handler.h
@@ -47,7 +47,6 @@ public:
 	std::list<Request *> queuedRequests_;
 	ControlInfoMap controlInfo_;
 	ControlList properties_;
-
 	uint32_t requestSequence_;

 private:
diff --git a/src/libcamera/pipeline_handler.cpp b/src/libcamera/pipeline_handler.cpp
index 433c05f60db0..7f4fa1b4ba89 100644
--- a/src/libcamera/pipeline_handler.cpp
+++ b/src/libcamera/pipeline_handler.cpp
@@ -97,6 +97,14 @@ LOG_DEFINE_CATEGORY(Pipeline)
  * when creating the camera, and shall not be modified afterwards.
  */

+/**
+ * \var CameraData::requestSequence_
+ * \brief The request sequence counter
+ *
+ * The request sequence counter is increased when a new Request is queued to
+ * the camera and monotonically increases during the whole library lifetime.
+ */
+
 /**
  * \class PipelineHandler
  * \brief Create and manage cameras based on a set of media devices
