docs: update related packages sections

PR-URL: #7520
Reviewed-by: Athan Reines <[email protected]>
Reviewed-by: Philipp Burckhardt <[email protected]>

Author: stdlib-bot

lib/node_modules/@stdlib/math/base/special/asecdf/README.md

@@ -190,6 +190,7 @@ int main( void ) {
 
 -   <span class="package-name">[`@stdlib/math/base/special/asec`][@stdlib/math/base/special/asec]</span><span class="delimiter">: </span><span class="description">compute the inverse (arc) secant of a number.</span>
 -   <span class="package-name">[`@stdlib/math/base/special/asech`][@stdlib/math/base/special/asech]</span><span class="delimiter">: </span><span class="description">compute the hyperbolic arcsecant of a number.</span>
+-   <span class="package-name">[`@stdlib/math/base/special/acosdf`][@stdlib/math/base/special/acosdf]</span><span class="delimiter">: </span><span class="description">compute the arccosine (in degrees) of a single-precision floating-point number.</span>
 
 </section>
 
@@ -207,6 +208,8 @@ int main( void ) {
 
 [@stdlib/math/base/special/asech]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/asech
 
+[@stdlib/math/base/special/acosdf]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/acosdf
+
 <!-- </related-links> -->
 
 </section>