diff --git a/doc/basic_usage.rst b/doc/basic_usage.rst
index db242b3..f33a7aa 100644
--- a/doc/basic_usage.rst
+++ b/doc/basic_usage.rst
@@ -24,7 +24,7 @@ Greenthread Spawn
    
 .. function:: eventlet.spawn_n(func, *args, **kw)
    
-   The same as :func:`spawn`, but it's not possible to retrieve the return value.  This makes execution faster.  See :func:`spawn_n <eventlet.greenthread.spawn_n>` for more details.
+   The same as :func:`spawn`, but it's not possible to know how the function terminated (i.e. no return value or exceptions).  This makes execution faster.  See :func:`spawn_n <eventlet.greenthread.spawn_n>` for more details.
 
 .. function:: eventlet.spawn_after(seconds, func, *args, **kw)
    
diff --git a/eventlet/greenthread.py b/eventlet/greenthread.py
index 7bcaf93..65cb045 100644
--- a/eventlet/greenthread.py
+++ b/eventlet/greenthread.py
@@ -54,9 +54,15 @@ def _main_wrapper(func, args, kwargs):
 
 
 def spawn_n(func, *args, **kwargs):
-    """Same as :func:`spawn`, but returns a ``greenlet`` object from which it is 
-    not possible to retrieve the results.  This is faster than :func:`spawn`;
-    it is fastest if there are no keyword arguments."""
+    """Same as :func:`spawn`, but returns a ``greenlet`` object from
+    which it is not possible to retrieve either a return value or
+    whether it raised any exceptions.  This is faster than
+    :func:`spawn`; it is fastest if there are no keyword arguments.
+    
+    If an exception is raised in the function, spawn_n prints a stack
+    trace; the print can be disabled by calling
+    :func:`eventlet.debug.hub_exceptions` with False.
+    """
     return _spawn_n(0, func, args, kwargs)[1]