diff --git a/Implementation_Report_3e/index.html b/Implementation_Report_3e/index.html
index ed8a34d..306d9f6 100644
--- a/Implementation_Report_3e/index.html
+++ b/Implementation_Report_3e/index.html
@@ -2,9 +2,6 @@
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     <meta content="width=device-width, initial-scale=1, shrink-to-fit=no" name="viewport">
     <style>
-    /* main, footer {
-        max-width: 60em;
-    } */
     .header th {
         padding-bottom: 0.7em;
     }
@@ -40,7 +37,6 @@
         float: right;
     }
     </style>
-    <!-- <link rel="stylesheet" href="http://www.w3.org/StyleSheets/TR/base"> -->
     <link rel="stylesheet" href="https://www.w3.org/StyleSheets/TR/2021/base.css">
 
     <body>
@@ -116,10 +112,6 @@ <h2>1. Animated PNG (APNG)</h2>
                     Implemented in <a href="https://www.xnview.com/en/xnviewmp/"><strong>XnSoft XnView MP</strong></a>
                 </p>
 
-                <!-- <p>
-                    Implemented in <a href="https://www.websitebuilderinsider.com/how-do-i-make-an-apng-in-photoshop/"><strong>Adobe Photoshop</strong></a> <em>although difficult to find: </em> in the Render Video window, select the “Photoshop Image Sequence” then select “PNG”. And then use APNGAsm.
-                </p> -->
-
                 <p>
                     Various low-level and utility tools support APNG:
                 </p>
