Change test comment

crypto/vrf/p256/p256_test.go

@@ -185,7 +185,7 @@ func TestVRF(t *testing.T) {
 }
 
 // Test vectors in core/testdata are generated by running
-// go generate github.com/google/keytransparency/core/testdata
+// go generate ./core/testdata
 func TestProofToHash(t *testing.T) {
 	directoryFile := "../../../test/testdata/directory.json"
 	f, err := os.Open(directoryFile)