diff --git a/docs/apis/core/message/index.md b/docs/apis/core/message/index.md
index 405c7767c..3bb1445e6 100644
--- a/docs/apis/core/message/index.md
+++ b/docs/apis/core/message/index.md
@@ -80,7 +80,7 @@ Once your `messages.php` is complete you need to increase the version number of
 ```php title="The default processor can be set using an element of the array"
 'mynotification' => [
     'defaults' => [
-        'pop-up' => MESSAGE_PERMITTED + MESSAGE_DEFAULT_ENABLED,
+        'popup' => MESSAGE_PERMITTED + MESSAGE_DEFAULT_ENABLED,
         'email' => MESSAGE_PERMITTED,
     ],
 ],
diff --git a/versioned_docs/version-4.5/apis/core/message/index.md b/versioned_docs/version-4.5/apis/core/message/index.md
index 405c7767c..3bb1445e6 100644
--- a/versioned_docs/version-4.5/apis/core/message/index.md
+++ b/versioned_docs/version-4.5/apis/core/message/index.md
@@ -80,7 +80,7 @@ Once your `messages.php` is complete you need to increase the version number of
 ```php title="The default processor can be set using an element of the array"
 'mynotification' => [
     'defaults' => [
-        'pop-up' => MESSAGE_PERMITTED + MESSAGE_DEFAULT_ENABLED,
+        'popup' => MESSAGE_PERMITTED + MESSAGE_DEFAULT_ENABLED,
         'email' => MESSAGE_PERMITTED,
     ],
 ],
diff --git a/versioned_docs/version-5.0/apis/core/message/index.md b/versioned_docs/version-5.0/apis/core/message/index.md
index 405c7767c..3bb1445e6 100644
--- a/versioned_docs/version-5.0/apis/core/message/index.md
+++ b/versioned_docs/version-5.0/apis/core/message/index.md
@@ -80,7 +80,7 @@ Once your `messages.php` is complete you need to increase the version number of
 ```php title="The default processor can be set using an element of the array"
 'mynotification' => [
     'defaults' => [
-        'pop-up' => MESSAGE_PERMITTED + MESSAGE_DEFAULT_ENABLED,
+        'popup' => MESSAGE_PERMITTED + MESSAGE_DEFAULT_ENABLED,
         'email' => MESSAGE_PERMITTED,
     ],
 ],
diff --git a/versioned_docs/version-5.1/apis/core/message/index.md b/versioned_docs/version-5.1/apis/core/message/index.md
index 405c7767c..3bb1445e6 100644
--- a/versioned_docs/version-5.1/apis/core/message/index.md
+++ b/versioned_docs/version-5.1/apis/core/message/index.md
@@ -80,7 +80,7 @@ Once your `messages.php` is complete you need to increase the version number of
 ```php title="The default processor can be set using an element of the array"
 'mynotification' => [
     'defaults' => [
-        'pop-up' => MESSAGE_PERMITTED + MESSAGE_DEFAULT_ENABLED,
+        'popup' => MESSAGE_PERMITTED + MESSAGE_DEFAULT_ENABLED,
         'email' => MESSAGE_PERMITTED,
     ],
 ],