diff --git a/index.html b/index.html
index 6961720..c3b96a0 100644
--- a/index.html
+++ b/index.html
@@ -982,16 +982,13 @@
                     <div class="chapter-forcewrap"></div>
                     <section class="panel panel-box">
                         <h3>
-                            Keyboard inputs
+                            Keyboard
                         </h3>
                         <p>
-                            <kbd>Meta</kbd>
+                            A <dfn id="dfn-kbd">keyboard element</dfn> represents an interaction of the user with any kind of interface, such as a keyboard key like <kbd><kbd>Enter</kbd></kbd>, a combination of key presses like <kbd><kbd>Ctrl</kbd> + <kbd>Alt</kbd> + <kbd>Del</kbd></kbd>, or the interaction with an UI element like the <kbd>Refresh</kbd> button.
                         </p>
                         <p>
-                            <kbd><kbd>Ctrl</kbd> + <kbd>Alt</kbd> + <kbd>Del</kbd></kbd>
-                        </p>
-                        <p>
-                            Half A presses: <kbd class="semantic-kbd-press">↓ <kbd>A</kbd></kbd> <kbd class="semantic-kbd-release">↑ <kbd>A</kbd></kbd>
+                            Key presses and releases can be distinguished via special classes: <kbd class="semantic-kbd-press">Press <kbd>A</kbd></kbd> <kbd class="semantic-kbd-release">Release <kbd>A</kbd></kbd>
                         </p>
                     </section>
                     <section class="panel panel-box">