diff --git a/xdp/README.md b/xdp/README.md
index 5ab7b9e..a9502c1 100644
--- a/xdp/README.md
+++ b/xdp/README.md
@@ -1,13 +1,19 @@
 Compile:
 
 ```
-clang -O2 -Wall -target bpf -c main.c -o main.o
+clang -O2 -Wall -target bpf -c xdp_udp.c -o xdp_udp.o
 ```
 
 Load:
 
 ```
-ip link set dev lo xdp obj main.o
+ip link set dev lo xdp obj xdp_udp.o sec xdp_udp
+```
+
+View:
+
+```
+ip link show dev lo
 ```
 
 Unload:
@@ -15,3 +21,7 @@ Unload:
 ```
 ip link set dev lo xdp off
 ```
+
+Sources:
+  - https://github.com/xdp-project/xdp-tutorial
+  - https://github.com/xdp-project/xdp-tutorial/tree/master/basic01-xdp-pass