docs: update descriptions

Signed-off-by: Athan <[email protected]>

Author: kgryte

lib/node_modules/@stdlib/stats/base/ndarray/sztest2/docs/types/index.d.ts

@@ -35,8 +35,8 @@ import { float32ndarray, ndarray } from '@stdlib/types/ndarray';
 *     -   a zero-dimensional ndarray specifying the alternative hypothesis.
 *     -   a zero-dimensional ndarray specifying the significance level.
 *     -   a zero-dimensional ndarray specifying the difference in means under the null hypothesis.
-*     -   a zero-dimensional ndarray specifying the known standard deviation of first one-dimensional input ndarray.
-*     -   a zero-dimensional ndarray specifying the known standard deviation of second one-dimensional input ndarray.
+*     -   a zero-dimensional ndarray specifying the known standard deviation of the first one-dimensional input ndarray.
+*     -   a zero-dimensional ndarray specifying the known standard deviation of the second one-dimensional input ndarray.
 *
 * @param arrays - array-like object containing ndarrays
 * @returns output ndarray