f describe why two bytes is the minimum padding

Author: TheBlueMatt

lightning/src/blinded_path/message.rs

@@ -767,8 +767,9 @@ pub(super) fn blinded_hops<T: secp256k1::Signing + secp256k1::Verification>(
 		intermediate_tlvs.clone().any(|tlvs| tlvs.serialized_length() == max_intermediate_len - 1);
 
 	let round_off = if compact_padding {
-		// We can only pad by a minimum of two bytes. Thus, if there are any intermediate hops that
-		// need to be padded by exactly one byte, we have to instead pad everything by two.
+		// We can only pad by a minimum of two bytes (we can only go from no-TLV to a type + length
+		// byte). Thus, if there are any intermediate hops that need to be padded by exactly one
+		// byte, we have to instead pad everything by two.
 		if have_intermediate_one_byte_smaller {
 			max_intermediate_len + 2
 		} else {