diff --git a/testdata/html5.html b/testdata/html5.html
index 60c67f0..2c2206c 100644
--- a/testdata/html5.html
+++ b/testdata/html5.html
@@ -79,7 +79,7 @@ <h6>Heading 6</h6>
                     <header><h1>Paragraphs</h1></header>
 
                     <div>
-                        <p>A paragraph (from the Greek paragraphos, “to write beside” or “written beside”) is a self-contained unit of a discourse in writing dealing with a particular point or idea. A paragraph consists of one or more sentences. Though not required by the syntax of any language, paragraphs are usually an expected part of formal writing, used to organize longer prose.</p>
+                        <p>A paragraph (from the Greek paragraphos, �to write beside� or �written beside�) is a self-contained unit of a discourse in writing dealing with a particular point or idea. A paragraph consists of one or more sentences. Though not required by the syntax of any language, paragraphs are usually an expected part of formal writing, used to organize longer prose.</p>
                     </div>
 
                     <footer><p><a href="#top">[Top]</a></p></footer>
@@ -239,7 +239,7 @@ <h2>Pre-formatted text</h2>
 
                         <p><s>This text has a strikethrough</s>.</p>
 
-                        <p>Superscript<sup>®</sup>.</p>
+                        <p>Superscript<sup>�</sup>.</p>
 
                         <p>Subscript for things like H<sub>2</sub>O.</p>
 
@@ -271,12 +271,12 @@ <h2>Pre-formatted text</h2>
                     <header><h2>Images</h2></header>
                     <div>
                         <h3>No <code>&lt;figure&gt;</code> element</h3>
-                        <p><img src="http://placekitten.com/480/480" alt="Image alt text"></p>
+                        <p><img src="https://loremflickr.com/480/480" alt="Image alt text"></p>
                         <h3>Wrapped in a <code>&lt;figure&gt;</code> element, no <code>&lt;figcaption&gt;</code></h3>
-                        <figure><img src="http://placekitten.com/420/420" alt="Image alt text"></figure>
+                        <figure><img src="https://loremflickr.com/420/420" alt="Image alt text"></figure>
                         <h3>Wrapped in a <code>&lt;figure&gt;</code> element, with a <code>&lt;figcaption&gt;</code></h3>
                         <figure>
-                            <img src="http://placekitten.com/420/420" alt="Image alt text">
+                            <img src="https://loremflickr.com/420/420" alt="Image alt text">
                             <figcaption>Here is a caption for this image.</figcaption>
                         </figure>
                     </div>