Add class comment.

1 files changed, 3 insertions, 0 deletions

diff --git a/logd/src/logd/metrics.h b/logd/src/logd/metrics.h
index 5a1a577cbf7..c753e200852 100644
--- a/logd/src/logd/metrics.h
+++ b/logd/src/logd/metrics.h
@@ -10,6 +10,9 @@ using vespalib::metrics::Counter;
 using vespalib::metrics::MetricsManager;
 using vespalib::metrics::Point;
 
+/**
+ * Tracks metrics for number of processed log lines.
+ */
 struct Metrics {
     std::shared_ptr<MetricsManager> metrics;
     const Dimension loglevel;