diff --git a/language/predefined/serializable.xml b/language/predefined/serializable.xml
index feb7ea300b..7ca0189984 100644
--- a/language/predefined/serializable.xml
+++ b/language/predefined/serializable.xml
@@ -20,7 +20,7 @@
     <link linkend="object.sleep">__sleep()</link> and
     <link linkend="object.wakeup">__wakeup()</link>. The method serialize is
     called whenever an instance needs to be serialized. This does not invoke __destruct()
-    or has any other side effect unless programmed inside the method. When the data is
+    or have any other side effect unless programmed inside the method. When the data is
     unserialized the class is known and the appropriate unserialize() method is called as
     a constructor instead of calling __construct(). If you need to execute the standard
     constructor you may do so in the method.
@@ -29,7 +29,7 @@
     Note, that when an old instance of a class that implements this interface
     now, which had been serialized before the class implemeted the interface, is
     unserialized, <link linkend="object.wakeup">__wakeup()</link> is called
-    instead of the serialize method, what might be useful for migration
+    instead of the serialize method, which might be useful for migration
     purposes.
    </para>
   </section>