diff --git a/source b/source
index a4c0cf4de05..74985cd2fb5 100644
--- a/source
+++ b/source
@@ -72932,8 +72932,8 @@ customElements.define("x-foo", class extends HTMLElement {
           exception">report</span> it for <var>reaction</var>'s <span>custom element
           definition</span>'s <span
           data-x="concept-custom-element-definition-constructor">constructor</span>'s corresponding
-          JavaScript object's <span>realm</span>'s <span data-x="concept-realm-global">global
-          object</span>.</p>
+          JavaScript object's <span>associated realm</span>'s <span
+          data-x="concept-realm-global">global object</span>.</p>
          </dd>
 
          <dt><span>callback reaction</span></dt>
@@ -72944,8 +72944,8 @@ customElements.define("x-foo", class extends HTMLElement {
 
           <p>If this throws an exception, catch it, and <span data-x="report an
           exception">report</span> it for <var>reaction</var>'s callback function's corresponding
-          JavaScript object's <span>realm</span>'s <span data-x="concept-realm-global">global
-          object</span>.</p>
+          JavaScript object's <span>associated realm</span>'s <span
+          data-x="concept-realm-global">global object</span>.</p>
          </dd>
         </dl>
        </li>