diff --git a/README.md b/README.md
index 2f4f1cc..00a4795 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,10 @@ I have included a conversion of the test file `0xcafec0de.txt` included in the C
 
     $ ./solve_piwi_bs 0xcafec0de.bin
 
+`libnfc_crypto1_crack` uses libnfc to demonstrate the craptev1 attack using the bitsliced cracker
+
+    $ ./libnfc_crypto1_crack 000000000000 0 A 5 A
+
 
 Acknowledgements
 ----------------