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 A tiny library for submitting external HITs on Mechanical Turk.
 
-It creates a global JavaScript object, `turk`, that has these four properties:
+It creates a global JavaScript object, `turk`, that has these five properties:
 
-* `previewMode`: true if we're currently in the external HIT preview mode.
+* `hitId`: the HIT ID variable.
 * `assignmentId`: the assignment ID variable.
 * `workerId`: the worker ID variable.
-* `turkSubmitTo`: the Mechanical Turk submission server (either production or sandbox)..
+* `previewMode`: true if we're currently in the external HIT preview mode.
+* `turkSubmitTo`: the Mechanical Turk submission server (either production or sandbox).
+
 
 These variables get read from `window.location.href`. If they aren't in `window.location.href`, the scrip script also tries `document.referer`, so you can conceivably split a task across two different pages. The script provides a single method: