diff --git a/qubes/storage/reflink.py b/qubes/storage/reflink.py
index ce8310d00..7e3d6b224 100644
--- a/qubes/storage/reflink.py
+++ b/qubes/storage/reflink.py
@@ -42,9 +42,9 @@
 
 
 def _coroutinized(function):
-    ''' Decorator transforming a synchronous function into a coroutine
-        that runs the function in the event loop's thread-based
-        default executor.
+    ''' Wrap a synchronous function in a coroutine that runs the
+        function via the event loop's ThreadPool-based default
+        executor.
     '''
     @asyncio.coroutine
     @functools.wraps(function)