Add Go code highlighting in examples

Signed-off-by: Nikolas Sepos <nikolas.sepos@gmail.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/README.md b/README.md
index 425faa4..6a2095e 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ See more example code at https://github.com/insomniacslk/exdhcp
 
 To run a DHCPv6 transaction on the interface "eth0":
 
-```
+```go
 package main
 
 import (
@@ -79,7 +79,7 @@ func main() {
 
 ## DHCPv6 packet crafting and manipulation
 
-```
+```go
 package main
 
 import (
@@ -182,7 +182,7 @@ available.
 An example server that will print (but not reply to) the client's request is
 shown below:
 
-```
+```go
 package main
 
 import (