--- a/toolkit/modules/Task.jsm
+++ b/toolkit/modules/Task.jsm
@@ -295,17 +295,17 @@ TaskImpl.prototype = {
   _isStarGenerator: false,
 
   /**
    * Main execution routine, that calls into the generator function.
    *
    * @param aSendResolved
    *        If true, indicates that we should continue into the generator
    *        function regularly (if we were waiting on a promise, it was
-   *        resolved). If true, indicates that we should cause an exception to
+   *        resolved). If false, indicates that we should cause an exception to
    *        be thrown into the generator function (if we were waiting on a
    *        promise, it was rejected).
    * @param aSendValue
    *        Resolution result or rejection exception, if any.
    */
   _run: function TaskImpl_run(aSendResolved, aSendValue) {
 
     try {