Website ES6 number literals

website/guide/es6features.html

@@ -32,6 +32,12 @@ the following non-standard semantics:</p>
 <p>Computed property names are supported and allow syntax like
 <code>{ [1 + 2]: "three" }</code>.</p>
 
+<h2 id="es6-number-literals">Octal and binary number literals</h2>
+
+<p>The <code>0o755</code> and <code>0b10001010</code> literal formats
+are supported.  Legacy octal literals like <code>0755</code> are also
+supported.</p>
+
 <h2 id="es6-unicode-escape">\u{H+} escape syntax</h2>
 
 <p>The <code>\u{H+}</code> escape syntax is supported in source code string