diff --git a/lib/libpki/include/nn/pki/CertificateBody.h b/lib/libpki/include/nn/pki/CertificateBody.h
index 0c46f54..b9ccac2 100644
--- a/lib/libpki/include/nn/pki/CertificateBody.h
+++ b/lib/libpki/include/nn/pki/CertificateBody.h
@@ -18,7 +18,7 @@ namespace pki
 		bool operator==(const CertificateBody& other) const;
 		bool operator!=(const CertificateBody& other) const;
 
-		// export/import binary
+		// IByteModel
 		void toBytes();
 		void fromBytes(const byte_t* src, size_t size);
 		const fnd::Vec<byte_t>& getBytes() const;
diff --git a/lib/libpki/include/nn/pki/SignatureBlock.h b/lib/libpki/include/nn/pki/SignatureBlock.h
index 552c3e2..485536d 100644
--- a/lib/libpki/include/nn/pki/SignatureBlock.h
+++ b/lib/libpki/include/nn/pki/SignatureBlock.h
@@ -18,7 +18,7 @@ namespace pki
 		bool operator==(const SignatureBlock& other) const;
 		bool operator!=(const SignatureBlock& other) const;
 
-		// export/import binary
+		// IByteModel
 		void toBytes();
 		void fromBytes(const byte_t* src, size_t size);
 		const fnd::Vec<byte_t>& getBytes() const;