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@@ -1,12 +1,14 @@
 # Build IPv6 ICMP ECHO packet with Ethernet headers
 
+Simple C code that builds a valid (ish) ethernet icmpv6 echo packet. 
+
 * https://en.wikipedia.org/wiki/Ethernet_frame
 * https://en.wikipedia.org/wiki/IPv6_packet
 * https://en.wikipedia.org/wiki/Internet_Control_Message_Protocol_for_IPv6
 * https://www.pdbuchan.com/rawsock/icmp6_cooked.c
 * https://stackoverflow.com/a/14937171
 * https://github.com/secdev/scapy/blob/a1f999fb1721a64415af75d575cabde19625a6f5/scapy/utils.py#L493-L501
-* https://github.com/secdev/scapy/blob/master/scapy/layers/inet6.py#L608-L624
+* https://github.com/secdev/scapy/blob/a1f999fb1721a64415af75d575cabde19625a6f5/scapy/layers/inet6.py#L608-L624
 
 ## Scapy code samples
 Writen in `scapy` shell