diff --git a/spec/electra/pendingpartialwithdrawal_ssz.go b/spec/electra/pendingpartialwithdrawal_ssz.go
index 74c1a0a6..874d3c66 100644
--- a/spec/electra/pendingpartialwithdrawal_ssz.go
+++ b/spec/electra/pendingpartialwithdrawal_ssz.go
@@ -17,7 +17,7 @@ func (p *PendingPartialWithdrawal) MarshalSSZ() ([]byte, error) {
 func (p *PendingPartialWithdrawal) MarshalSSZTo(buf []byte) (dst []byte, err error) {
 	dst = buf
 
-	// Field (0) 'Index'
+	// Field (0) 'ValidatorIndex'
 	dst = ssz.MarshalUint64(dst, uint64(p.ValidatorIndex))
 
 	// Field (1) 'Amount'
@@ -37,7 +37,7 @@ func (p *PendingPartialWithdrawal) UnmarshalSSZ(buf []byte) error {
 		return ssz.ErrSize
 	}
 
-	// Field (0) 'Index'
+	// Field (0) 'ValidatorIndex'
 	p.ValidatorIndex = phase0.ValidatorIndex(ssz.UnmarshallUint64(buf[0:8]))
 
 	// Field (1) 'Amount'
@@ -64,7 +64,7 @@ func (p *PendingPartialWithdrawal) HashTreeRoot() ([32]byte, error) {
 func (p *PendingPartialWithdrawal) HashTreeRootWith(hh ssz.HashWalker) (err error) {
 	indx := hh.Index()
 
-	// Field (0) 'Index'
+	// Field (0) 'ValidatorIndex'
 	hh.PutUint64(uint64(p.ValidatorIndex))
 
 	// Field (1) 'Amount'