typo in app HTML

webconv/www/index.html

@@ -68,7 +68,7 @@ <h5 class="spoiler--heading">Settings</h5>
                     <div class="comment"
                        >Tree representation will give a more nuanced
                         look into the structure of a blueprint,
-                        but will generally fail to decode
+                        but will generally fail to encode
                         (for various reasons).</div>
                 </fieldset>
             </div>