diff --git a/docs/architecture/adr-071-proposer-based-timestamps.md b/docs/architecture/adr-071-proposer-based-timestamps.md
index 3e7fa2f3c..36a9ab00c 100644
--- a/docs/architecture/adr-071-proposer-based-timestamps.md
+++ b/docs/architecture/adr-071-proposer-based-timestamps.md
@@ -152,7 +152,7 @@ type Commit struct {
 type Commit struct {
 	Height     int64       `json:"height"`
 	Round      int32       `json:"round"`
-	Timestamp   time.Time   `json:"round"`
+	Timestamp   time.Time   `json:"timestamp"` 
 	BlockID    BlockID     `json:"block_id"`
 	Signatures []CommitSig `json:"signatures"`
 }