Update comment.

rq/decorators.py

@@ -5,17 +5,16 @@ from .queue import Queue
 class job(object):
 
     def __init__(self, queue, connection=None, timeout=None):
-        """
-        A decorator that adds a ``delay`` method to the decorated function,
-        which in turn creates a RQ job when called. Accepts a ``queue``
-        instance as an optional argument. For example:
+        """A decorator that adds a ``delay`` method to the decorated function,
+        which in turn creates a RQ job when called. Accepts a required ``queue``
+        argument that can be either a ``Queue`` instance or a string denoting
+        the queue name.  For example:
 
             @job(queue='default')
             def simple_add(x, y):
                 return x + y
 
             simple_add.delay(1, 2) # Puts simple_add function into queue
-
         """
         self.queue = queue
         self.connection = connection