diff --git a/node/config/def.go b/node/config/def.go
index 9c8b38471..9a594c09e 100644
--- a/node/config/def.go
+++ b/node/config/def.go
@@ -159,7 +159,7 @@ func DefaultStorageMiner() *StorageMiner {
 			TerminateBatchMax:                      100,
 			TerminateBatchWait:                     Duration(5 * time.Minute),
 			MaxSectorProveCommitsSubmittedPerEpoch: 20,
-			SealWithSyntheticPoRep:                 false,
+			UseSyntheticPoRep:                      false,
 		},
 
 		Proving: ProvingConfig{
diff --git a/node/config/doc_gen.go b/node/config/doc_gen.go
index 33dc4af96..4330c3409 100644
--- a/node/config/doc_gen.go
+++ b/node/config/doc_gen.go
@@ -1266,10 +1266,10 @@ Submitting a smaller number of prove commits per epoch would reduce the possibil
 			Comment: ``,
 		},
 		{
-			Name: "SealWithSyntheticPoRep",
+			Name: "UseSyntheticPoRep",
 			Type: "bool",
 
-			Comment: `SealWithSyntheticPoRep will reduce data holdings after PC1 by storing the precomputed responses
+			Comment: `UseSyntheticPoRep will reduce data holdings after PC1 by storing the precomputed responses
 to any challenge. This proof's PC1 step uses a cheaper-to-compute algorithm for the responses,
 but still must do more computation during PC1 in order to create this oracle.`,
 		},
diff --git a/node/config/types.go b/node/config/types.go
index 17a93efe6..f56cacc94 100644
--- a/node/config/types.go
+++ b/node/config/types.go
@@ -430,10 +430,10 @@ type SealingConfig struct {
 
 	// todo TargetSectors - stop auto-pleding new sectors after this many sectors are sealed, default CC upgrade for deals sectors if above
 
-	// SealWithSyntheticPoRep will reduce data holdings after PC1 by storing the precomputed responses
-	// to any challenge. This proof's PC1 step uses a cheaper-to-compute algorithm for the responses,
-	// but still must do more computation during PC1 in order to create this oracle.
-	SealWithSyntheticPoRep bool
+	// UseSyntheticPoRep will reduce the amout of data held on disk in the WaitSeed phase to 32GiB
+	// at the cost of having to precompute the synthetic challenges.
+	// TODO: put estimated costs here
+	UseSyntheticPoRep bool
 }
 
 type SealerConfig struct {
diff --git a/node/modules/storageminer.go b/node/modules/storageminer.go
index fba916a52..d3c657c00 100644
--- a/node/modules/storageminer.go
+++ b/node/modules/storageminer.go
@@ -1017,7 +1017,7 @@ func NewSetSealConfigFunc(r repo.LockedRepo) (dtypes.SetSealingConfigFunc, error
 				TerminateBatchMin:                      cfg.TerminateBatchMin,
 				TerminateBatchWait:                     config.Duration(cfg.TerminateBatchWait),
 				MaxSectorProveCommitsSubmittedPerEpoch: cfg.MaxSectorProveCommitsSubmittedPerEpoch,
-				SealWithSyntheticPoRep:                 cfg.SealWithSyntheticPoRep,
+				UseSyntheticPoRep:                      cfg.UseSyntheticPoRep,
 			}
 			c.SetSealingConfig(newCfg)
 		})
@@ -1060,10 +1060,10 @@ func ToSealingConfig(dealmakingCfg config.DealmakingConfig, sealingCfg config.Se
 		BatchPreCommitAboveBaseFee:             types.BigInt(sealingCfg.BatchPreCommitAboveBaseFee),
 		MaxSectorProveCommitsSubmittedPerEpoch: sealingCfg.MaxSectorProveCommitsSubmittedPerEpoch,
 
-		TerminateBatchMax:      sealingCfg.TerminateBatchMax,
-		TerminateBatchMin:      sealingCfg.TerminateBatchMin,
-		TerminateBatchWait:     time.Duration(sealingCfg.TerminateBatchWait),
-		SealWithSyntheticPoRep: sealingCfg.SealWithSyntheticPoRep,
+		TerminateBatchMax:  sealingCfg.TerminateBatchMax,
+		TerminateBatchMin:  sealingCfg.TerminateBatchMin,
+		TerminateBatchWait: time.Duration(sealingCfg.TerminateBatchWait),
+		UseSyntheticPoRep:  sealingCfg.UseSyntheticPoRep,
 	}
 }
 
diff --git a/storage/pipeline/sealiface/config.go b/storage/pipeline/sealiface/config.go
index 899b5258b..65a6d4404 100644
--- a/storage/pipeline/sealiface/config.go
+++ b/storage/pipeline/sealiface/config.go
@@ -62,5 +62,5 @@ type Config struct {
 	TerminateBatchMin  uint64
 	TerminateBatchWait time.Duration
 
-	SealWithSyntheticPoRep bool
+	UseSyntheticPoRep bool
 }
diff --git a/storage/pipeline/sealing.go b/storage/pipeline/sealing.go
index 578062397..e990a8f51 100644
--- a/storage/pipeline/sealing.go
+++ b/storage/pipeline/sealing.go
@@ -344,7 +344,7 @@ func (m *Sealing) currentSealProof(ctx context.Context) (abi.RegisteredSealProof
 		return 0, err
 	}
 
-	return lminer.PreferredSealProofTypeFromWindowPoStType(ver, mi.WindowPoStProofType, c.SealWithSyntheticPoRep)
+	return lminer.PreferredSealProofTypeFromWindowPoStType(ver, mi.WindowPoStProofType, c.UseSyntheticPoRep)
 }
 
 func (m *Sealing) minerSector(spt abi.RegisteredSealProof, num abi.SectorNumber) storiface.SectorRef {