bpo-30935: update get_event_loop docs (GH-2731)

(cherry picked from commit e55de2d77f10d524be0b426e587fbc820f76de71)

Co-authored-by: Mandeep Singh <daxlab@users.noreply.github.com>
diff --git a/Doc/library/asyncio-eventloops.rst b/Doc/library/asyncio-eventloops.rst
index 3051fde..7f6e953 100644
--- a/Doc/library/asyncio-eventloops.rst
+++ b/Doc/library/asyncio-eventloops.rst
@@ -176,12 +176,15 @@
       Get the event loop for the current context.
 
       Returns an event loop object implementing the :class:`AbstractEventLoop`
-      interface.
+      interface. In case called from coroutine, it returns the currently
+      running event loop.
 
       Raises an exception in case no event loop has been set for the current
       context and the current policy does not specify to create one. It must
       never return ``None``.
 
+      .. versionchanged:: 3.6
+
    .. method:: set_event_loop(loop)
 
       Set the event loop for the current context to *loop*.