diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 51c4e49..a7b70aa 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -92,8 +92,8 @@ _NB: `npm` can also be used in place of `composer`._
 
 #### PHP
 
-PHP code must follow the [WordPress PHP Coding Standards][wpcs-php] and be
-compatible with PHP 7.0+.
+PHP code must follow the [WordPress PHP Coding Standards][wpcs-php]. PHP code
+is written for compatability with PHP 8.0.
 
 1. Run `composer run lint:php` to lint all PHP files with
   [PHP CodeSniffer][phpcs]; and
@@ -159,6 +159,8 @@ the `git push` command.
 ### Tooling
 
 HTML documentation of the codebase is generated using [phpDocumentor][phpdocumentor].
+Due to conflicts, this cannot be included as a project dependency. Please install
+the package globally by following the steps on the site.
 
 phpDocumentor configuration settings are found in `phpdoc.dist.xml`.
 
diff --git a/composer.json b/composer.json
index db020a0..c841804 100644
--- a/composer.json
+++ b/composer.json
@@ -20,7 +20,7 @@
         "lint:md": "npm run lint:md",
         "lint:md:fix": "npm run lint:md:fix",
         "lint:html": "npm run lint:html",
-        "docs": "./vendor/bin/phpdoc",
+        "docs": "phpDocumentor",
         "post-install-cmd": "npm install",
         "minify": "npm run minify",
         "minify:css": "npm run minify:css",