docs: update copy

Author: kgryte

spec/draft/API_specification/indexing.rst

@@ -199,7 +199,7 @@ An array must support indexing a one-dimensional array by a one-dimensional inte
 
 - The result of providing a valid integer index for each element in ``J`` must be an array having shape ``S3 = (k,)``.
 
-An array must support indexing an array having more than one dimension by an indexing tuple which includes only integers and one-dimensional integer arrays according to the following rules. Let ``A`` be an ``N``-dimensional array with shape ``S1 = (s1, ..., sM, ..., sN)`` and ``T`` be a tuple ``(t1, ..., tM, ..., tN)`` having length ``N`` and containing only valid integer and one-dimensional integer array indices.
+An array must support indexing an array having more than one dimension by an indexing tuple which includes only integers and one-dimensional integer arrays according to the following rules. Let ``A`` be an ``N``-dimensional array with shape ``S1 = (s1, s2, ..., sN)`` and ``T`` be a tuple ``(t1, t2, ..., tN)`` having length ``N`` and containing only valid integer and one-dimensional integer array indices.
 
 .. note::
   This specification does not require bounds checking. The behavior for out-of-bounds integer indices is left unspecified.
@@ -212,9 +212,9 @@ An array must support indexing an array having more than one dimension by an ind
 
 - An ``IndexError`` exception must be raised if any element of ``T`` is not broadcast-compatible with ``J`` (see :ref:`broadcasting`).
 
-- After broadcasting, ``T`` must be equivalent to a tuple ``U = (u1, ..., uM, ..., uN)`` containing only one-dimensional integer arrays having shape ``S2``.
+- After broadcasting, ``T`` must be equivalent to a tuple ``U = (u1, u2, ..., uN)`` containing only one-dimensional integer arrays having shape ``S2``.
 
-- Let ``v_i`` be the tuple formed by the integer indices ``u1[i], u2[i], ..., uM[i], ..., uN[i]``. When applying the indexing tuple ``U`` to ``A``, the resulting array must be a one-dimensional array containing each element ``A[v_i]`` for ``i`` on the half-open interval ``[0, m)``.
+- Let ``v_i`` be the tuple formed by the integer indices ``u1[i], u2[i], ..., uN[i]``. When applying the indexing tuple ``U`` to ``A``, the resulting array must be a one-dimensional array having shape ``(m,)`` and containing each element ``A[v_i]`` for ``i`` on the half-open interval ``[0, m)``.
 
 .. note::
    This specification does not currently address indexing tuples which combine slices and integer arrays. Behavior for such indexing tuples is left unspecified and thus implementation-defined. This may be revisited in a future revision of this standard.