Add minimum wheel version needed for license_files

index.html

@@ -54,7 +54,7 @@ <h3 id="pure-wheel">Pure Python</h3>
 [bdist_wheel]
 universal = 1</pre>
                         <p><strong>Warning: </strong>If your project has optional C extensions, it is recommended not to publish a universal wheel, because pip will prefer the wheel over a source installation.</p>
-                    <p><em>Note: </em>To include your project's license file in the wheel distribution, specify the <code>license_files</code> key in the <code>[metadata]</code> section. This helps comply with many open source licenses that require the license text to be included in every distributable artifact of the project.</p>
+                    <p><em>Note: </em>To include your project's license file in the wheel distribution, specify the <code>license_files</code> key in the <code>[metadata]</code> section. This helps comply with many open source licenses that require the license text to be included in every distributable artifact of the project. This option requires wheel 0.32 or newer.</p>
                         <pre>
 [metadata]
 license_files = LICENSE