chore: update example description

Author: Neerajpathak07

lib/node_modules/@stdlib/number/float16/base/add/README.md

@@ -88,10 +88,10 @@ var map = require( '@stdlib/array/base/map' );
 var logEachMap = require( '@stdlib/console/log-each-map' );
 var add = require( '@stdlib/number/float16/base/add' );
 
-// Create arrays of random half-precision floating-point numbers:
+// Create an array of random half-precision floating-point numbers:
 var x = map( uniform( 100, -50.0, 50.0 ), toFloat16 );
 
-// Create arrays of random half-precision floating-point numbers:
+// Create an array of random half-precision floating-point numbers:
 var y = map( uniform( 100, -50.0, 50.0 ), toFloat16 );
 
 // Determine the sum of each number:

lib/node_modules/@stdlib/number/float16/base/add/examples/index.js

@@ -27,7 +27,7 @@ var add = require( './../lib' );
 // Create an array of random half-precision floating-point numbers:
 var x = map( uniform( 100, -50.0, 50.0 ), toFloat16 );
 
-// Create arrays of random half-precision floating-point numbers:
+// Create an array of random half-precision floating-point numbers:
 var y = map( uniform( 100, -50.0, 50.0 ), toFloat16 );
 
 // Determine the sum of each number: