tlv: clarify documentation for msgb_tv{16,32}_put()

Change-Id: Ie439822e0587012e108f67ba4e73771dc684b95b
diff --git a/include/osmocom/gsm/tlv.h b/include/osmocom/gsm/tlv.h
index bcdebb3..dc61de1 100644
--- a/include/osmocom/gsm/tlv.h
+++ b/include/osmocom/gsm/tlv.h
@@ -406,7 +406,7 @@
 	return len;
 }
 
-/*! put (append) a TV16 field to a \ref msgb
+/*! put (append) a TV16 field (network order) to the given msgb
  *  \returns pointer to first byte after newly-put information */
 static inline uint8_t *msgb_tv16_put(struct msgb *msg, uint8_t tag, uint16_t val)
 {
@@ -414,7 +414,7 @@
 	return tv16_put(buf, tag, val);
 }
 
-/*! put (append) a TV32 field to a \ref msgb
+/*! put (append) a TV32 field (network order) to the given msgb
  *  \returns pointer to first byte after newly-put information */
 static inline uint8_t *msgb_tv32_put(struct msgb *msg, uint8_t tag, uint32_t val)
 {