diff --git a/techniques/html/H4.html b/techniques/html/H4.html
index 34fb55a12c..2bdc9c1ba3 100644
--- a/techniques/html/H4.html
+++ b/techniques/html/H4.html
@@ -6,7 +6,7 @@
       <p>HTML and XHTML</p>
    </section><section id="description"><h2>Description</h2>
       <p>The objective of this technique is to provide a logical tab order when the default tab
-            order does not suffice. Often, <a href="https://www.w3.org/WAI/WCAG21/Techniques/general/G59">placing the
+            order does not suffice. Often, <a href="https://www.w3.org/WAI/WCAG22/Techniques/general/G59">placing the
               interactive elements in an order that follows sequences and relationships within the
               content</a> is sufficient and this technique is not necessary. It can be very easy
             to introduce usability bugs when setting the tab order explicitly.</p>
diff --git a/techniques/html/H70.html b/techniques/html/H70.html
index ad74d606a4..82767d4bc6 100644
--- a/techniques/html/H70.html
+++ b/techniques/html/H70.html
@@ -21,7 +21,7 @@
       <p>This technique is appropriate when framesets are already used to organize the content
             of the page; other techniques are preferred for pages that are not already using
             framesets, because many people using assistive technology have trouble with frames . An
-            advisory technique about using noframes is available in <a href="https://www.w3.org/WAI/WCAG21/Understanding/non-text-content">Success Criterion 1.1.1</a>. </p>
+            advisory technique about using noframes is available in <a href="https://www.w3.org/WAI/WCAG22/Understanding/non-text-content">Success Criterion 1.1.1</a>. </p>
       <p>In HTML5 the <code class="el">frame</code> element is marked as obsolete.</p>
    </section><section id="examples"><h2>Examples</h2>
       <section class="example">
diff --git a/techniques/html/H73.html b/techniques/html/H73.html
index 56e099f5ca..13a0119363 100644
--- a/techniques/html/H73.html
+++ b/techniques/html/H73.html
@@ -27,7 +27,7 @@
                is null. The purpose of a layout table is simply to control the placement of content;
                the table itself is “transparent" to the user. A <code class="att">summary</code> would “break" this
                transparency by calling attention to the table. A null <code class="att">summary</code>
-                 (<code class="att">summary</code>="") on layout tables is acceptable. See <a href="https://www.w3.org/WAI/WCAG21/Techniques/failures/F46">F46</a> for details.</p>
+                 (<code class="att">summary</code>="") on layout tables is acceptable. See <a href="https://www.w3.org/WAI/WCAG22/Techniques/failures/F46">F46</a> for details.</p>
       </div>
    </section><section id="examples"><h2>Examples</h2>
       <section class="example">
diff --git a/techniques/html/H74.html b/techniques/html/H74.html
index 974c6e3567..3673363373 100644
--- a/techniques/html/H74.html
+++ b/techniques/html/H74.html
@@ -62,7 +62,7 @@ <h2>Resources</h2>
                   <a href="https://html.spec.whatwg.org/multipage/syntax.html#the-doctype">HTML - The <code class="language-html">doctype</code></a>.
                </li>
                <li>
-                  <a href="https://www.w3.org/WAI/WCAG21/Techniques/general/G134">Validating web pages</a>.
+                  <a href="https://www.w3.org/WAI/WCAG22/Techniques/general/G134">Validating web pages</a>.
                </li>
                <li>
                   <a href="https://validator.w3.org/nu/">The W3C's Nu HTML Checker</a>.
diff --git a/techniques/html/H75.html b/techniques/html/H75.html
index e3298b7668..38544c09f6 100644
--- a/techniques/html/H75.html
+++ b/techniques/html/H75.html
@@ -75,7 +75,7 @@ <h3></h3>
                     Entities</a> in Extensible Markup Language (XML) 1.1, W3C Recommendation 04
                   February 2004.</li>
          </ul>
-         <p> For other resources, see <a href="https://www.w3.org/WAI/WCAG21/Techniques/general/G134">Validating web
+         <p> For other resources, see <a href="https://www.w3.org/WAI/WCAG22/Techniques/general/G134">Validating web
               pages</a>. </p>
       
    </section></body></html>
diff --git a/techniques/html/H88.html b/techniques/html/H88.html
index 56e3c62ade..2c4452b5e8 100644
--- a/techniques/html/H88.html
+++ b/techniques/html/H88.html
@@ -56,7 +56,7 @@ <h2>Related Techniques</h2>
       <li><a href="../html/H75">H75</a></li>
    </ul></section><section id="resources"><h2>Resources</h2>
       
-         <p>Refer to the resources section of <a href="https://www.w3.org/WAI/WCAG21/Techniques/general/G134">Validating web
+         <p>Refer to the resources section of <a href="https://www.w3.org/WAI/WCAG22/Techniques/general/G134">Validating web
                         pages</a>. </p>
       
    </section></body></html>
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