fixed typos so docgen works again

lib/pure/collections/queues.nim

@@ -9,7 +9,7 @@
 
 ## Implementation of a queue. The underlying implementation uses a ``seq``.
 ## Note: For inter thread communication use
-## a `TChannel <channels.html>``_ instead.
+## a `TChannel <channels.html>`_ instead.
 
 import math
 

lib/pure/sockets.nim

@@ -25,7 +25,7 @@
 ## the `asyncio <asyncio.html>`_ module.
 ##
 ## Since version 0.10.2 this module is deprecated. Use the `net <net.html>`_
-## or the ``rawsockets <rawsockets.html>`_ module instead.
+## or the `rawsockets <rawsockets.html>`_ module instead.
 
 {.deprecated.}