diff --git a/language/operators.xml b/language/operators.xml
index e61480a797..8f2c328720 100644
--- a/language/operators.xml
+++ b/language/operators.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.39 $ -->
+<!-- $Revision: 1.40 $ -->
  <chapter id="language.operators">
   <title>Operators</title>
   <simpara>
@@ -406,14 +406,15 @@ $b .= "There!"; // sets $b to "Hello There!", just like $b = $b . "There!";
    <simpara>
     PHP supports one error control operator: the at sign (@). When
     prepended to an expression in PHP, any error messages that might
-    be generated by that expression will be ignored. 
+    be generated by that expression will be ignored.
    </simpara>
    <simpara>
     If the <link linkend="ini.track-errors">track_errors</link>
     feature is enabled, any error message generated by the expression
-    will be saved in the global variable $php_errormsg. This variable
-    will be overwritten on each error, so check early if you want to
-    use it.
+    will be saved in the variable
+    <link linkend="reserved.variables.phperrormsg">$php_errormsg</link>.
+    This variable will be overwritten on each error, so check early if you
+    want to use it.
    </simpara>
    <para>
     <informalexample>
@@ -435,9 +436,10 @@ $value = @$cache[$key];
    </para>
    <note>
     <simpara>
-     The @-operator works only on expressions. A simple rule of thumb
-     is: if you can take the value of something, you can prepend the @
-     operator to it. For instance, you can prepend it to variables,
+     The @-operator works only on
+     <link linkend="language.expressions">expressions</link>. A simple rule
+     of thumb is: if you can take the value of something, you can prepend
+     the @ operator to it. For instance, you can prepend it to variables,
      function and <function>include</function> calls, constants, and
      so forth. You cannot prepend it to function or class definitions,
      or conditional structures such as <literal>if</literal> and