Index: Doc/library/xml.sax.utils.rst
===================================================================
--- Doc/library/xml.sax.utils.rst	(revision 60087)
+++ Doc/library/xml.sax.utils.rst	(working copy)
@@ -20,17 +20,20 @@
    Escape ``'&'``, ``'<'``, and ``'>'`` in a string of data.
 
    You can escape other strings of data by passing a dictionary as the optional
-   *entities* parameter.  The keys and values must all be strings; each key will be
-   replaced with its corresponding value.
+   *entities* parameter.The keys and values must all be strings; each key will
+   be replaced with its corresponding value.  The characters ``'&'``, ``'<'``
+   and ``'>'`` are always escaped even if *entities* is provided.  
 
 
 .. function:: unescape(data[, entities])
 
    Unescape ``'&amp;'``, ``'&lt;'``, and ``'&gt;'`` in a string of data.
 
-   You can unescape other strings of data by passing a dictionary as the optional
-   *entities* parameter.  The keys and values must all be strings; each key will be
-   replaced with its corresponding value.
+   You can unescape other strings of data by passing a dictionary as the
+   optional *entities* parameter.  The keys and values must all be strings;
+   each key will be replaced with its corresponding value.  ``'&amp'``a,
+   ``'&lt;'``, and ``'gt;'`` are always escaped, even if *entities* is
+   provided.
 
    .. versionadded:: 2.3