diff --git a/language/constants.xml b/language/constants.xml
index 6632641b41..046e01c764 100644
--- a/language/constants.xml
+++ b/language/constants.xml
@@ -232,9 +232,6 @@ echo ANOTHER_CONST;
         <entry>
          The full path and filename of the file.  If used inside an include,
          the name of the included file is returned.
-         Since PHP 4.0.2, <constant>__FILE__</constant> always contains an
-         absolute path with symlinks resolved whereas in older versions it contained relative path
-         under some circumstances.
         </entry>
        </row>
        <row xml:id="constant.dir">
@@ -244,23 +241,18 @@ echo ANOTHER_CONST;
          the directory of the included file is returned. This is equivalent
          to <literal>dirname(__FILE__)</literal>. This directory name
          does not have a trailing slash unless it is the root directory.
-         (Added in PHP 5.3.0.)
         </entry>
        </row>
        <row xml:id="constant.function">
         <entry><constant>__FUNCTION__</constant></entry>
         <entry>
-         The function name. (Added in PHP 4.3.0)  As of PHP 5 this constant 
-         returns the function name as it was declared (case-sensitive).  In
-         PHP 4 its value is always lowercased.
+         The function name.
         </entry>
        </row>
        <row xml:id="constant.class">
         <entry><constant>__CLASS__</constant></entry>
         <entry>
-         The class name. (Added in PHP 4.3.0)  As of PHP 5 this constant 
-         returns the class name as it was declared (case-sensitive).  In PHP
-         4 its value is always lowercased.  The class name includes the namespace
+         The class name. The class name includes the namespace
          it was declared in (e.g. <literal>Foo\Bar</literal>).
          Note that as of PHP 5.4 __CLASS__ works also in traits. When used
          in a trait method, __CLASS__ is the name of the class the trait
@@ -270,24 +262,20 @@ echo ANOTHER_CONST;
        <row xml:id="constant.trait">
         <entry><constant>__TRAIT__</constant></entry>
         <entry>
-         The trait name. (Added in PHP 5.4.0)  As of PHP 5.4 this constant 
-         returns the trait as it was declared (case-sensitive).  The trait name includes the namespace
+         The trait name. The trait name includes the namespace
          it was declared in (e.g. <literal>Foo\Bar</literal>).
         </entry>
        </row>
-       
        <row xml:id="constant.method">
         <entry><constant>__METHOD__</constant></entry>
         <entry>
-         The class method name. (Added in PHP 5.0.0)  The method name is
-         returned as it was declared (case-sensitive).
+         The class method name.
         </entry>
        </row>
        <row xml:id="constant.namespace">
         <entry><constant>__NAMESPACE__</constant></entry>
         <entry>
-         The name of the current namespace (case-sensitive). This constant 
-         is defined in compile-time (Added in PHP 5.3.0).
+         The name of the current namespace.
         </entry>
        </row>
       </tbody>
@@ -301,6 +289,64 @@ echo ANOTHER_CONST;
     <function>file_exists</function>&listendand;
     <function>function_exists</function>.
    </para>
+   
+   <sect2 xml:id="language.constants.predefined.changelog">
+    <title>Changelog</title>
+
+    <para>
+     <informaltable>
+      <tgroup cols="2">
+       <thead>
+        <row>
+         <entry>&Version;</entry>
+         <entry>&Description;</entry>
+        </row>
+       </thead>
+       <tbody>
+        <row>
+         <entry>5.4.0</entry>
+         <entry>
+          Added <constant>__TRAIT__</constant> constant
+         </entry>
+        </row>
+        <row>
+         <entry>5.3.0</entry>
+         <entry>
+          Added <constant>__DIR__</constant> and <constant>__NAMESPACE__</constant> constants
+         </entry>
+        </row>
+        <row>
+         <entry>5.0.0</entry>
+         <entry>
+          Added <constant>__METHOD__</constant> constant
+         </entry>
+        </row>
+        <row>
+         <entry>5.0.0</entry>
+         <entry>
+          Before this version values of some magic constants were always lowercased.
+          All of them are case-sensitive now (contain names as they were declared).
+         </entry>
+        </row>
+        <row>
+         <entry>4.3.0</entry>
+         <entry>
+          Added <constant>__FUNCTION__</constant> and <constant>__CLASS__</constant> constants
+         </entry>
+        </row>
+        <row>
+         <entry>4.0.2</entry>
+         <entry>
+          <constant>__FILE__</constant> always contains an absolute path with symlinks
+          resolved whereas in older versions it contained relative path
+          under some circumstances
+         </entry>
+        </row>
+       </tbody>
+      </tgroup>
+     </informaltable>
+    </para>
+   </sect2>
   </sect1>
  </chapter>