diff --git a/src/consensus/params.h b/src/consensus/params.h
index e4ef209bef..6a90c7a417 100644
--- a/src/consensus/params.h
+++ b/src/consensus/params.h
@@ -34,8 +34,10 @@ struct BIP9Deployment {
     /** Bit position to select the particular bit in nVersion. */
     int bit;
     /** Start MedianTime for version bits miner confirmation. Can be a date in the past */
+    // ELEMENTS: Interpreted as block height!
     int64_t nStartTime;
     /** Timeout/expiry MedianTime for the deployment attempt. */
+    // ELEMENTS: Interpreted as block height!
     int64_t nTimeout;
 
     /** Constant for nTimeout very far in the future. */