diff --git a/apple/swift_homomorphic_encryption/api/pnns/v1/pnns.proto b/apple/swift_homomorphic_encryption/api/pnns/v1/pnns.proto
index 4b5e8a3..ce1222f 100644
--- a/apple/swift_homomorphic_encryption/api/pnns/v1/pnns.proto
+++ b/apple/swift_homomorphic_encryption/api/pnns/v1/pnns.proto
@@ -27,8 +27,8 @@ message PNNSConfig {
   apple.swift_homomorphic_encryption.v1.EncryptionParameters encryption_parameters = 1;
   // Factor by which to scale floating-point entries to integers.
   uint64 scaling_factor = 2;
-  // Plaintext packing for the query.
-  apple.swift_homomorphic_encryption.pnns.v1.MatrixPacking plaintext_packing = 3;
+  // Packing for the query.
+  apple.swift_homomorphic_encryption.pnns.v1.MatrixPacking query_packing = 3;
   // Number of entries in each vector.
   uint32 vector_dimension = 4;
   // Metric for similarity computation.
diff --git a/apple/swift_homomorphic_encryption/pnns/v1/pnns_matrix_packing.proto b/apple/swift_homomorphic_encryption/pnns/v1/pnns_matrix_packing.proto
index 75c2d17..25ceef5 100644
--- a/apple/swift_homomorphic_encryption/pnns/v1/pnns_matrix_packing.proto
+++ b/apple/swift_homomorphic_encryption/pnns/v1/pnns_matrix_packing.proto
@@ -29,7 +29,7 @@ message BabyStepGiantStep {
 // Different algorithms for packing a matrix of scalar values into plaintexts / ciphertexts.
 message MatrixPacking {
   // Different packing formats.
-  oneof plaintext_packing_type {
+  oneof matrix_packing_type {
     // Dense row packing.
     MatrixPackingDenseRow dense_row = 1;