docs: update descriptions

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

Author: kgryte

lib/node_modules/@stdlib/stats/base/ndarray/sztest2/lib/main.js

@@ -43,8 +43,8 @@ var strided = require( '@stdlib/stats/strided/sztest2' ).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 {ArrayLikeObject<Object>} arrays - array-like object containing ndarrays
 * @returns {ndarrayLike} output ndarray