diff --git a/appendices/reserved.xml b/appendices/reserved.xml
index 9c50a7f5fda3..014002ea2dcd 100644
--- a/appendices/reserved.xml
+++ b/appendices/reserved.xml
@@ -567,6 +567,12 @@
never (as of PHP 8.1)
+
+ array (as of PHP 8.5)
+
+
+ callable (as of PHP 8.5)
+
diff --git a/reference/classobj/functions/class-alias.xml b/reference/classobj/functions/class-alias.xml
index a9564e1b885b..aeed4ab6d304 100644
--- a/reference/classobj/functions/class-alias.xml
+++ b/reference/classobj/functions/class-alias.xml
@@ -18,6 +18,9 @@
based on the user defined class class.
The aliased class is exactly the same as the original class.
+
+ The class alias cannot be any of the PHP reserved words.
+
As of PHP 8.3.0, class_alias also supports