docs: apply suggestions from code review

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---

Author: headlessNode

lib/node_modules/@stdlib/ndarray/base/nullary-strided1d-dispatch/README.md

@@ -92,7 +92,7 @@ var policies = {
 var table = {
     'default': base
 };
-var sorthp = new NullaryStrided1dDispatch( table, [ odt ], policies );
+var nullary = new NullaryStrided1dDispatch( table, [ odt ], policies );
 
 var xbuf = [ -1.0, 2.0, -3.0 ];
 var x = new ndarray( 'generic', xbuf, [ xbuf.length ], [ 1 ], 0, 'row-major' );
@@ -101,7 +101,7 @@ var o = scalar2ndarray( 1.0, {
     'dtype': 'generic'
 });
 
-var out = sorthp.assign( x, o, {
+var out = nullary.assign( x, o, {
     'dims': [ 0 ]
 });
 // returns <ndarray>

lib/node_modules/@stdlib/ndarray/base/nullary-strided1d-dispatch/lib/main.js

@@ -224,9 +224,7 @@ function NullaryStrided1dDispatch( table, odtypes, policies, options ) {
 *     'dtype': 'generic'
 * });
 *
-* var out = sorthp.assign( x, o, {
-*     'dims': [ 0 ]
-* });
+* var out = sorthp.assign( x, o );
 * // returns <ndarray>
 *
 * var arr = ndarray2array( x );