wire/*: fix up BOLT references.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

wire/fromwire.c

@@ -230,10 +230,10 @@ REGISTER_TYPE_TO_HEXSTR(channel_id);
 
 /* BOLT #2:
  *
- * This message introduces the `channel_id` to identify the channel, which is
+ * This message introduces the `channel_id` to identify the channel.  It's
  * derived from the funding transaction by combining the `funding_txid` and
- * the `funding_output_index` using big-endian exclusive-OR
- * (ie. `funding_output_index` alters the last two bytes).
+ * the `funding_output_index`, using big-endian exclusive-OR
+ * (i.e. `funding_output_index` alters the last 2 bytes).
  */
 void derive_channel_id(struct channel_id *channel_id,
 		       struct bitcoin_txid *txid, u16 txout)

wire/peer_wire.h

@@ -6,10 +6,11 @@
 
 /* BOLT #1:
  *
- * A node MUST ignore a received message of unknown type, if that type is odd.
- *
- * A node MUST fail the channels if it receives a message of unknown type, if
- * that type is even.
+ * A receiving node:
+ *   - upon receiving a message of _odd_, unknown type:
+ *     - MUST ignore the received message.
+ *   - upon receiving a message of _even_, unknown type:
+ *     - MUST fail the channels.
  */
 
 /* Return true if it's an unknown ODD message.  cursor is a tal ptr. */
@@ -25,13 +26,15 @@ bool extract_channel_id(const u8 *in_pkt, struct channel_id *channel_id);
  * Only the least-significant bit of `channel_flags` is currently
  * defined: `announce_channel`.  This indicates whether the initiator
  * of the funding flow wishes to advertise this channel publicly to
- * the network as detailed within [BOLT #7]
+ * the network, as detailed within [BOLT #7]
  */
 #define CHANNEL_FLAGS_ANNOUNCE_CHANNEL 1
 
 /* BOLT #2:
  *
- * The sender MUST set `funding_satoshis` to less than 2^24 satoshi.
+ * The sending node:
+ *...
+ *   - MUST set `funding_satoshis` to less than 2^24 satoshi.
  */
 #define MAX_FUNDING_SATOSHI ((1 << 24) - 1)