diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e406cfc..0acb0f8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,28 +10,29 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - php: '8.1'
+          - php: '8.3'
             moodle-branch: 'main'
             database: 'pgsql'
-          - php: '8.0'
-            moodle-branch: 'MOODLE_402_STABLE'
+          - php: '8.3'
+            moodle-branch: 'MOODLE_405_STABLE'
             database: 'mariadb'
-          - php: '8.0'
-            moodle-branch: 'MOODLE_401_STABLE'
+          - php: '8.2'
+            moodle-branch: 'MOODLE_404_STABLE'
             database: 'pgsql'
-          - php: '7.4'
-            moodle-branch: 'MOODLE_400_STABLE'
-            database: 'mariadb'
 
     services:
       postgres:
-        image: postgres:13
+        image: postgres:14
         env:
           POSTGRES_USER: 'postgres'
           POSTGRES_HOST_AUTH_METHOD: 'trust'
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 3
         ports:
           - 5432:5432
-        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 3
 
       mariadb:
         image: mariadb:10
diff --git a/lib.php b/lib.php
index 0f93803..0a9f929 100644
--- a/lib.php
+++ b/lib.php
@@ -65,13 +65,7 @@ public function supports_repositories() {
         return false;
     }
 
-    /**
-     * Use this editor for given element.
-     *
-     * @param string $elementid
-     * @param array $options
-     * @param null $fpoptions
-     */
+    #[\Override]
     public function use_editor($elementid, ?array $options = null, $fpoptions = null) {
         global $PAGE, $OUTPUT;
 
diff --git a/readme.md b/readme.md
index b18bb69..883f9bb 100644
--- a/readme.md
+++ b/readme.md
@@ -39,8 +39,7 @@ and keeping the results HTML as clean as possible.
 * Prevent nesting of superscript and subscript tags
 * No text wrapping is allowed along with no paragraphs. Everything is on one line
 * Configurable height and width of editor
-* Provide a standalone version of the same editor for offline situations such as e-readers
-* Editor can placed where required including inline with text
+* Editor can be placed where required including inline with text
 
 ## Alignment