asyncio doc: replace "coroutine" with "coroutine object" or "coroutine function"

Doc/library/asyncio-sync.rst

@@ -70,7 +70,7 @@ Locks
       This method blocks until the lock is unlocked, then sets it to locked and
       returns ``True``.
 
-      This method returns a :ref:`coroutine <coroutine>`.
+      This method returns a :ref:`coroutine object <coroutine>`.
 
    .. method:: release()
 
@@ -118,7 +118,7 @@ Locks
       Otherwise, block until another coroutine calls :meth:`set` to set the
       flag to true, then return ``True``.
 
-      This method returns a :ref:`coroutine <coroutine>`.
+      This method returns a :ref:`coroutine object <coroutine>`.
 
 
 .. class:: Condition(\*, loop=None)
@@ -166,7 +166,7 @@ Locks
       condition variable in another coroutine.  Once awakened, it re-acquires
       the lock and returns ``True``.
 
-      This method returns a :ref:`coroutine <coroutine>`.
+      This method returns a :ref:`coroutine object <coroutine>`.
 
    .. method:: wait_for(predicate)
 
@@ -175,7 +175,7 @@ Locks
       The predicate should be a callable which result will be interpreted as a
       boolean value. The final predicate value is the return value.
 
-      This method returns a :ref:`coroutine <coroutine>`.
+      This method returns a :ref:`coroutine object <coroutine>`.
 
 
 Semaphores
@@ -205,7 +205,7 @@ Semaphores
       until some other coroutine has called :meth:`release` to make it larger
       than ``0``, and then return ``True``.
 
-      This method returns a :ref:`coroutine <coroutine>`.
+      This method returns a :ref:`coroutine object <coroutine>`.
 
    .. method:: locked()
 
@@ -261,7 +261,7 @@ Queues
 
       If you yield from :meth:`get()`, wait until a item is available.
 
-      This method returns a :ref:`coroutine <coroutine>`.
+      This method returns a :ref:`coroutine object <coroutine>`.
 
    .. method:: get_nowait()
 
@@ -277,7 +277,7 @@ Queues
       If you yield from ``put()``, wait until a free slot is available before
       adding item.
 
-      This method returns a :ref:`coroutine <coroutine>`.
+      This method returns a :ref:`coroutine object <coroutine>`.
 
    .. method:: put_nowait(item)
 
@@ -323,7 +323,7 @@ Queues
       it is complete.  When the count of unfinished tasks drops to zero,
       :meth:`join` unblocks.
 
-      This method returns a :ref:`coroutine <coroutine>`.
+      This method returns a :ref:`coroutine object <coroutine>`.
 
    .. method:: task_done()