docs: update example and add return description

PR-URL: #2489
Reviewed-by: Athan Reines <kgryte@gmail.com>

Author: Jaysukh-409

lib/node_modules/@stdlib/array/complex128/lib/main.js

@@ -906,6 +906,7 @@ setReadOnly( Complex128Array.prototype, 'every', function every( predicate, this
 * @throws {TypeError} first argument must be a complex number
 * @throws {TypeError} second argument must be an integer
 * @throws {TypeError} third argument must be an integer
+* @returns {Complex128Array} modified array
 *
 * @example
 * var real = require( '@stdlib/complex/real' );
@@ -924,7 +925,7 @@ setReadOnly( Complex128Array.prototype, 'every', function every( predicate, this
 * var im = imag( z );
 * // returns 1.0
 *
-* z = arr.get( 1 );
+* z = arr.get( 2 );
 * // returns <Complex128>
 *
 * re = real( z );

lib/node_modules/@stdlib/array/complex64/lib/main.js

@@ -900,6 +900,7 @@ setReadOnly( Complex64Array.prototype, 'every', function every( predicate, thisA
 * @throws {TypeError} first argument must be a complex number
 * @throws {TypeError} second argument must be an integer
 * @throws {TypeError} third argument must be an integer
+* @returns {Complex64Array} modified array
 *
 * @example
 * var realf = require( '@stdlib/complex/realf' );
@@ -918,7 +919,7 @@ setReadOnly( Complex64Array.prototype, 'every', function every( predicate, thisA
 * var im = imagf( z );
 * // returns 1.0
 *
-* z = arr.get( 1 );
+* z = arr.get( 2 );
 * // returns <Complex64>
 *
 * re = realf( z );