Fix typos

usrsctplib/netinet6/sctp6_usrreq.c

@@ -648,7 +648,7 @@ sctp6_ctlinput(int cmd, struct sockaddr *pktdst, void *d)
 #endif
 
 /*
- * this routine can probably be collasped into the one in sctp_userreq.c
+ * this routine can probably be collapsed into the one in sctp_userreq.c
  * since they do the same thing and now we lookup with a sockaddr
  */
 #if defined(__FreeBSD__) && !defined(__Userspace__)
@@ -1104,8 +1104,8 @@ sctp6_send(struct socket *so, int flags, struct mbuf *m, struct mbuf *nam,
 		 * note with the current version this code will only be used
 		 * by OpenBSD, NetBSD and FreeBSD have methods for
 		 * re-defining sosend() to use sctp_sosend().  One can
-		 * optionaly switch back to this code (by changing back the
-		 * defininitions but this is not advisable.
+		 * optionally switch back to this code (by changing back the
+		 * definitions but this is not advisable.
 		 */
 #if defined(__FreeBSD__) && !defined(__Userspace__)
 		struct epoch_tracker et;