Annotate versioning

index.html

@@ -97,12 +97,7 @@ <h2><a href="#installation" id="installation" class="self-link"></a>Installation
 reevaluateOnBlur(document, /*class=*/'echo');
 </script>
 
-<p>Pick and choose some or all of the following stylesheets to add to your <code>&lt;head&gt;</code> block. </p>
-
-<p><em>As these are unversioned stylesheets, please vendor them if you require them to remain unchanged.</em></p>
-
-<br />
-
+<p>Pick and choose some or all of the following (versioned!) stylesheets to add to your <code>&lt;head&gt;</code> block. </p>
 
 <p><a href="stylesheets/echo.css">echo.css</a>'s <code>.echo</code> class can be used on <code>&lt;script&gt;</code> and <code>&lt;style&gt;</code> elements to display them inline, with a <a href="https://blog.glyphdrawing.club/font-with-built-in-syntax-highlighting/">font with built-in syntax highlighting</a>. <em>Recommended.</em></p>