bpo-33649: Fix asyncio-dev (GH-9324)

diff --git a/Doc/library/asyncio-api-index.rst b/Doc/library/asyncio-api-index.rst
index a4d0e1b..dc69100 100644
--- a/Doc/library/asyncio-api-index.rst
+++ b/Doc/library/asyncio-api-index.rst
@@ -15,7 +15,7 @@
 await on multiple things with timeouts.
 
 .. list-table::
-    :widths: 30 70
+    :widths: 50 50
 
     * - :func:`run`
       - Create event loop, run a coroutine, close the loop.
@@ -71,7 +71,7 @@
 
 
 .. list-table::
-    :widths: 30 70
+    :widths: 50 50
 
     * - :class:`Queue`
       - A FIFO queue.
@@ -97,7 +97,7 @@
 Utilities to spawn subprocesses and run shell commands.
 
 .. list-table::
-    :widths: 30 70
+    :widths: 50 50
 
     * - ``await`` :func:`create_subprocess_exec`
       - Create a subprocess.
@@ -120,7 +120,7 @@
 High-level APIs to work with network IO.
 
 .. list-table::
-    :widths: 30 70
+    :widths: 50 50
 
     * - ``await`` :func:`open_connection`
       -  Establish a TCP connection.
@@ -155,7 +155,7 @@
 Threading-like synchronization primitives that can be used in Tasks.
 
 .. list-table::
-    :widths: 30 70
+    :widths: 50 50
 
     * - :class:`Lock`
       - A mutex lock.
@@ -185,7 +185,7 @@
 ==========
 
 .. list-table::
-    :widths: 30 70
+    :widths: 50 50
 
 
     * - :exc:`asyncio.TimeoutError`