chore: address commit comments (commit cdcb256)

PR-URL: stdlib-js#5799
Closes: stdlib-js#5790

Co-authored-by: Philipp Burckhardt <[email protected]>
Reviewed-by: Philipp Burckhardt <[email protected]>

Author: TheGEN1U5

lib/node_modules/@stdlib/stats/base/dists/normal/pdf/README.md

@@ -235,6 +235,12 @@ int main( void ) {
 
 </section>
 
+<!-- /.examples -->
+
+</section>
+
+<!-- /.c -->
+
 <!-- Section to include cited references. If references are included, add a horizontal rule *before* the section. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
 
 <section class="references">