diff --git a/worker/bench_test.go b/worker/bench_test.go
index f864df9ca..4748f3d85 100644
--- a/worker/bench_test.go
+++ b/worker/bench_test.go
@@ -21,7 +21,7 @@ func (z *zeroReader) Read(p []byte) (n int, err error) {
 // BenchmarkUploaderSingleObject benchmarks uploading a single object.
 //
 // Speed       | CPU    | Commit
-// 232.97 MB/s | M2 Pro | 26d3119
+// 433.86 MB/s | M2 Pro | bae6e77
 func BenchmarkUploaderSingleObject(b *testing.B) {
 	w := newMockWorker()
 
@@ -46,7 +46,7 @@ func BenchmarkUploaderSingleObject(b *testing.B) {
 // BenchmarkUploaderSingleObject benchmarks uploading one object per slab.
 //
 // Speed       | CPU    | Commit
-// 185.10 MB/s | M2 Pro | 26d3119
+// 282.47 MB/s | M2 Pro | bae6e77
 func BenchmarkUploaderMultiObject(b *testing.B) {
 	w := newMockWorker()
 
@@ -75,7 +75,7 @@ func BenchmarkUploaderMultiObject(b *testing.B) {
 // slabs.
 //
 // Speed        | CPU    | Commit
-// 1668.87 MB/s | M2 Pro | 26d3119
+// 1658.49 MB/s | M2 Pro | bae6e77
 func BenchmarkSectorRoot30Goroutines(b *testing.B) {
 	data := make([]byte, rhpv2.SectorSize)
 	b.SetBytes(int64(rhpv2.SectorSize))
@@ -108,7 +108,7 @@ func BenchmarkSectorRoot30Goroutines(b *testing.B) {
 // BenchmarkSectorRootSingleGoroutine benchmarks the SectorRoot function.
 //
 // Speed       | CPU    | Commit
-// 176.91 MB/s | M2 Pro | 26d3119
+// 177.33 MB/s | M2 Pro | bae6e77
 func BenchmarkSectorRootSingleGoroutine(b *testing.B) {
 	data := make([]byte, rhpv2.SectorSize)
 	b.SetBytes(rhpv2.SectorSize)
diff --git a/worker/upload.go b/worker/upload.go
index 63be07b2b..8bd87f881 100644
--- a/worker/upload.go
+++ b/worker/upload.go
@@ -770,6 +770,12 @@ func (u *upload) newSlabUpload(ctx context.Context, shards [][]byte, uploaders [
 			sCtx, sCancel := context.WithCancel(ctx)
 
 			// create the sector
+			// NOTE: we are computing the sector root here and pass it all the
+			// way down to the RPC to avoid having to recompute it for the proof
+			// verification. This is necessary because we need it ahead of time
+			// for the call to AddUploadingSector in uploader.go
+			// Once we upload to temp storage we don't need AddUploadingSector
+			// anymore and can move it back to the RPC.
 			sectors[idx] = &sectorUpload{
 				data:   (*[rhpv2.SectorSize]byte)(shards[idx]),
 				index:  idx,