Revert r87823 which moved the source link to the wrong section.

Doc/library/collections.rst

@@ -31,6 +31,11 @@ In addition to the concrete container classes, the collections module provides
 :ref:`abstract-base-classes` that can be used to test whether a class provides a
 particular interface, for example, whether it is hashable or a mapping.
 
+.. seealso::
+
+   Latest version of the :source:`collections module Python source code
+   <Lib/collections.py>`
+
 
 :class:`Counter` objects
 ------------------------
@@ -1064,9 +1069,6 @@ Notes on using :class:`Set` and :class:`MutableSet` as a mixin:
 
 .. seealso::
 
-   * Latest version of the :source:`collections module Python source code
-     <Lib/collections.py>`
-
    * Latest version of the :source:`Python source code for the collections
      abstract base classes <Lib/_abcoll.py>`