diff --git a/src/allmydata/scripts/run_common.py b/src/allmydata/scripts/run_common.py
index 71934414d..f62534434 100644
--- a/src/allmydata/scripts/run_common.py
+++ b/src/allmydata/scripts/run_common.py
@@ -73,10 +73,10 @@ class RunOptions(BasedirOptions):
         ]
 
     def parseArgs(self, basedir=None, *twistd_args):
-        # This can't handle e.g. 'tahoe start --nodaemon', since '--nodaemon'
-        # looks like an option to the tahoe subcommand, not to twistd. So you
-        # can either use 'tahoe start' or 'tahoe start NODEDIR
-        # --TWISTD-OPTIONS'. Note that 'tahoe --node-directory=NODEDIR start
+        # This can't handle e.g. 'tahoe run --reactor=foo', since
+        # '--reactor=foo' looks like an option to the tahoe subcommand, not to
+        # twistd. So you can either use 'tahoe run' or 'tahoe run NODEDIR
+        # --TWISTD-OPTIONS'. Note that 'tahoe --node-directory=NODEDIR run
         # --TWISTD-OPTIONS' also isn't allowed, unfortunately.
 
         BasedirOptions.parseArgs(self, basedir)
diff --git a/src/allmydata/test/test_runner.py b/src/allmydata/test/test_runner.py
index 2ec871231..a258542b9 100644
--- a/src/allmydata/test/test_runner.py
+++ b/src/allmydata/test/test_runner.py
@@ -252,15 +252,10 @@ class RunNode(common_util.SignalMixin, unittest.TestCase, pollmixin.PollMixin,
               RunBinTahoeMixin):
     """
     exercise "tahoe run" for both introducer, client node, and key-generator,
-    by spawning "tahoe run" (or "tahoe start") as a subprocess. This doesn't
-    get us line-level coverage, but it does a better job of confirming that
-    the user can actually run "./bin/tahoe run" and expect it to work. This
-    verifies that bin/tahoe sets up PYTHONPATH and the like correctly.
-
-    This doesn't work on cygwin (it hangs forever), so we skip this test
-    when we're on cygwin. It is likely that "tahoe start" itself doesn't
-    work on cygwin: twisted seems unable to provide a version of
-    spawnProcess which really works there.
+    by spawning "tahoe run" as a subprocess. This doesn't get us line-level
+    coverage, but it does a better job of confirming that the user can
+    actually run "./bin/tahoe run" and expect it to work. This verifies that
+    bin/tahoe sets up PYTHONPATH and the like correctly.
     """
 
     def workdir(self, name):