diff --git a/index.html b/index.html
index e496b25..9b7b41a 100644
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+++ b/index.html
@@ -735,7 +735,7 @@ initialize(FILES,
 <pre><code class="language-python">FILES = ['setup.cfg', 'tox.ini',]
 initialize(FILES, error=True,)</code></pre>
 
-          
+
 <h1 id="comments">Comments</h1>
 
 
@@ -872,6 +872,12 @@ Optional plotz says to frobnicate the bizbaz first.
 <p>In some fonts, these characters are indistinguishable from the numerals one and zero. When tempted to use ‘l’, use ‘L’ instead.</p>
 
 
+<h3 id="ascii-compatibility">ASCII Compatibility</h3>
+
+
+<p>Identifiers used in the standard library must be ASCII compatible as described in the <p><a href="https://www.python.org/dev/peps/pep-3131/#policy-specification">policy section</a> of PEP 3131.</p>
+
+
 <h3 id="package-and-module-names">Package and Module Names</h3>