docs: update examples in README.md

Author: aayush0325

lib/node_modules/@stdlib/math/base/assert/is-oddf/README.md

@@ -86,7 +86,7 @@ bool = isOddf( NaN );
 
 ```javascript
 var randu = require( '@stdlib/random/array/discrete-uniform' );
-var isOddf = require( './../lib' );
+var isOddf = require( '@stdlib/math/base/assert/is-oddf' );
 
 var bool;
 var x;