Correct wording usage such as a/an (#2719)

The correct usage is "an nd", because the phonetic spelling of the word
starts with a vowel
(https://www.grammarly.com/blog/grammar/indefinite-articles-a-and-an/).

The PR fixes the spelling issue.

Author: antonwolfy

CHANGELOG.md

@@ -57,6 +57,7 @@ Also, that release drops support for Python 3.9, making Python 3.10 the minimum
 ### Fixed
 
 * Suppressed a potential deprecation warning triggered during import of the `dpctl.tensor` module [#2709](https://github.com/IntelPython/dpnp/pull/2709)
+* Corrected a phonetic spelling issue due to incorrect using of `a nd` in docstrings [#2719](https://github.com/IntelPython/dpnp/pull/2719)
 
 ### Security
 

dpnp/dpnp_iface_indexing.py

@@ -2671,7 +2671,7 @@ def triu_indices_from(arr, k=0):
     inds : tuple of dpnp.ndarray
         The indices for the triangle. The returned tuple contains two arrays,
         each with the indices along one dimension of the array. Can be used
-        to slice a ndarray of shape(`n`, `n`).
+        to slice an ndarray of shape(`n`, `n`).
 
     See Also
     --------