diff --git a/consensus/state.go b/consensus/state.go
index 9b31253856..a972b3a1cd 100644
--- a/consensus/state.go
+++ b/consensus/state.go
@@ -1712,6 +1712,7 @@ func (cs *State) finalizeCommit(height int64) {
 	// must be called before we update state
 	cs.recordMetrics(height, block)
 
+	// trace some metadata about the block
 	schema.WriteBlock(cs.traceClient, block.Header.Height, block.Header.Time)
 
 	// NewHeightStep!