diff --git a/build/params_shared_vals.go b/build/params_shared_vals.go
index db0d0ea63..f00c68ed0 100644
--- a/build/params_shared_vals.go
+++ b/build/params_shared_vals.go
@@ -21,8 +21,7 @@ const UnixfsLinksPerLevel = 1024
 // /////
 // Consensus / Network
 
-// Seconds
-const AllowableClockDrift = uint64(1)
+const AllowableClockDriftSecs = uint64(1)
 
 // Epochs
 const ForkLengthThreshold = Finality
diff --git a/build/params_testground.go b/build/params_testground.go
index c171da625..df03124af 100644
--- a/build/params_testground.go
+++ b/build/params_testground.go
@@ -27,7 +27,7 @@ var (
 	BlockDelaySecs    = uint64(builtin.EpochDurationSeconds)
 	PropagationDelay  = uint64(6)
 
-	AllowableClockDrift = uint64(1)
+	AllowableClockDriftSecs = uint64(1)
 
 	Finality            = miner.ChainFinalityish
 	ForkLengthThreshold = Finality
diff --git a/chain/sync.go b/chain/sync.go
index 6e2e68cee..e1bcdd506 100644
--- a/chain/sync.go
+++ b/chain/sync.go
@@ -657,7 +657,7 @@ func (syncer *Syncer) ValidateBlock(ctx context.Context, b *types.FullBlock) (er
 	// fast checks first
 
 	now := uint64(time.Now().Unix())
-	if h.Timestamp > now+build.AllowableClockDrift {
+	if h.Timestamp > now+build.AllowableClockDriftSecs {
 		return xerrors.Errorf("block was from the future (now=%d, blk=%d): %w", now, h.Timestamp, ErrTemporal)
 	}
 	if h.Timestamp > now {
diff --git a/documentation/en/block-validation.md b/documentation/en/block-validation.md
index a5ee49c30..ccd83a904 100644
--- a/documentation/en/block-validation.md
+++ b/documentation/en/block-validation.md
@@ -43,7 +43,7 @@ Assemble a `FullTipSet` populated with the single block received earlier.
 This function contains most of the validation logic grouped in separate closures that run asynchronously, this list does not reflect validation order then.
 
 `V:` Block `Timestamp`:
-  * Is not bigger than current time plus `AllowableClockDrift`.
+  * Is not bigger than current time plus `AllowableClockDriftSecs`.
   * Is not smaller than previous block's `Timestamp` plus `BlockDelay` (including null blocks).
 
 ### Messages