diff --git a/language/operators.xml b/language/operators.xml
index 71227a93a3..cda6c180e6 100644
--- a/language/operators.xml
+++ b/language/operators.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.91 $ -->
+<!-- $Revision: 1.92 $ -->
  <chapter id="language.operators">
   <title>Operators</title>
   <simpara>
@@ -789,6 +789,11 @@ echo "<pre>$output</pre>";
     PHP supports C-style pre- and post-increment and decrement
     operators.
    </para>
+   <note>
+    <simpara>
+     The increment/decrement operators do not affect boolean values.
+    </simpara>
+   </note>
    <table>
     <title>Increment/decrement Operators</title>
     <tgroup cols="3">