Typo; uniformed example title to the others

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@300695 c90b9560-bf6c-de11-be94-00142212c4b1

language/operators.xml

@@ -1605,7 +1605,7 @@ $d = (true  or  foo());
 $e = false || true;
 
 // The constant false is assigned to $f and then true is ignored
-// Acts like: (($e = false) or true)
+// Acts like: (($f = false) or true)
 $f = false or true;
 
 var_dump($e, $f);
@@ -1799,7 +1799,7 @@ var_dump($a === $b); // bool(false)
     is an instantiated object of a certain
     <link linkend="language.oop5.basic.class">class</link>:
     <example>
-     <title>Using instanceof with classes</title>
+     <title>Using <literal>instanceof</literal> with classes</title>
      <programlisting role="php">
 <![CDATA[
 <?php