diff --git a/data/goal.txt b/data/goal.txt
new file mode 100644
index 00000000..c63d1573
--- /dev/null
+++ b/data/goal.txt
@@ -0,0 +1,3 @@
++++++
+val_eq (Val.add (Val.add (r3 PC) Vone) Vone) (Val.add (x2 PC) Vone)
+*****
diff --git a/scripts/gen_tactic.sh b/scripts/gen_tactic.sh
index add131ce..7341f141 100755
--- a/scripts/gen_tactic.sh
+++ b/scripts/gen_tactic.sh
@@ -1,2 +1,5 @@
 #!/bin/bash
+# Usage:
+# wget http://pjreddie.com/media/files/peek.weights
+# scripts/gen_tactic.sh data/goal.txt
 ./darknet rnn generatetactic cfg/gru.cfg peek.weights < $1 2>/dev/null