diff --git a/client/css/style.css b/client/css/style.css
index d4dd6b10..c88f9f20 100644
--- a/client/css/style.css
+++ b/client/css/style.css
@@ -1469,6 +1469,15 @@ part/quit messages where we don't load previews (adds a blank line otherwise) */
 	line-height: 1.8;
 }
 
+.is-apple #help .key-all,
+#help .key-apple {
+	display: none;
+}
+
+.is-apple #help .key-apple {
+	display: inline-block;
+}
+
 #form {
 	background: #eee;
 	border-top: 1px solid #ddd;
diff --git a/client/index.html b/client/index.html
index 61abcde2..5b170e63 100644
--- a/client/index.html
+++ b/client/index.html
@@ -392,11 +392,9 @@
 
 						<h2>Keyboard Shortcuts</h2>
 
-						<h3>On Windows / Linux</h3>
-
 						<div class="help-item">
 							<div class="subject">
-								<kbd>Ctrl</kbd> + <kbd>↑</kbd> / <kbd>↓</kbd>
+								<kbd class="key-all">Ctrl</kbd><kbd class="key-apple">⌘</kbd> + <kbd>↑</kbd> / <kbd>↓</kbd>
 							</div>
 							<div class="description">
 								<p>Switch to the previous/next window in the channel list</p>
@@ -405,7 +403,7 @@
 
 						<div class="help-item">
 							<div class="subject">
-								<kbd>Ctrl</kbd> + <kbd>K</kbd>
+								<kbd class="key-all">Ctrl</kbd><kbd class="key-apple">⌘</kbd> + <kbd>K</kbd>
 							</div>
 							<div class="description">
 								<p>
@@ -422,7 +420,7 @@
 
 						<div class="help-item">
 							<div class="subject">
-								<kbd>Ctrl</kbd> + <kbd>B</kbd>
+								<kbd class="key-all">Ctrl</kbd><kbd class="key-apple">⌘</kbd> + <kbd>B</kbd>
 							</div>
 							<div class="description">
 								<p>Mark all text typed after this shortcut as bold.</p>
@@ -431,7 +429,7 @@
 
 						<div class="help-item">
 							<div class="subject">
-								<kbd>Ctrl</kbd> + <kbd>U</kbd>
+								<kbd class="key-all">Ctrl</kbd><kbd class="key-apple">⌘</kbd> + <kbd>U</kbd>
 							</div>
 							<div class="description">
 								<p>Mark all text typed after this shortcut as underlined.</p>
@@ -440,7 +438,7 @@
 
 						<div class="help-item">
 							<div class="subject">
-								<kbd>Ctrl</kbd> + <kbd>I</kbd>
+								<kbd class="key-all">Ctrl</kbd><kbd class="key-apple">⌘</kbd> + <kbd>I</kbd>
 							</div>
 							<div class="description">
 								<p>Mark all text typed after this shortcut as italics.</p>
@@ -449,74 +447,7 @@
 
 						<div class="help-item">
 							<div class="subject">
-								<kbd>Ctrl</kbd> + <kbd>O</kbd>
-							</div>
-							<div class="description">
-								<p>
-									Mark all text typed after this shortcut to be reset to its
-									original formatting.
-								</p>
-							</div>
-						</div>
-
-						<h3>On macOS</h3>
-
-						<div class="help-item">
-							<div class="subject">
-								<kbd>⌘</kbd> + <kbd>↑</kbd> / <kbd>↓</kbd>
-							</div>
-							<div class="description">
-								<p>Switch to the previous/next window in the channel list</p>
-							</div>
-						</div>
-
-						<div class="help-item">
-							<div class="subject">
-								<kbd>⌘</kbd> + <kbd>K</kbd>
-							</div>
-							<div class="description">
-								<p>
-									Mark any text typed after this shortcut to be colored. After
-									hitting this shortcut, enter an integer in the
-									<code>0—15</code> range to select the desired color.
-								</p>
-								<p>
-									A color reference can be found
-									<a href="https://modern.ircdocs.horse/formatting.html#colors" target="_blank" rel="noopener">here</a>.
-								</p>
-							</div>
-						</div>
-
-						<div class="help-item">
-							<div class="subject">
-								<kbd>⌘</kbd> + <kbd>B</kbd>
-							</div>
-							<div class="description">
-								<p>Mark all text typed after this shortcut as bold.</p>
-							</div>
-						</div>
-
-						<div class="help-item">
-							<div class="subject">
-								<kbd>⌘</kbd> + <kbd>U</kbd>
-							</div>
-							<div class="description">
-								<p>Mark all text typed after this shortcut as underlined.</p>
-							</div>
-						</div>
-
-						<div class="help-item">
-							<div class="subject">
-								<kbd>⌘</kbd> + <kbd>I</kbd>
-							</div>
-							<div class="description">
-								<p>Mark all text typed after this shortcut as italics.</p>
-							</div>
-						</div>
-
-						<div class="help-item">
-							<div class="subject">
-								<kbd>⌘</kbd> + <kbd>O</kbd>
+								<kbd class="key-all">Ctrl</kbd><kbd class="key-apple">⌘</kbd> + <kbd>O</kbd>
 							</div>
 							<div class="description">
 								<p>
diff --git a/client/js/lounge.js b/client/js/lounge.js
index ef4e20a1..2bc96530 100644
--- a/client/js/lounge.js
+++ b/client/js/lounge.js
@@ -168,6 +168,10 @@ $(function() {
 		});
 	}
 
+	if (navigator.platform.match(/(Mac|iPhone|iPod|iPad)/i)) {
+		$(document.body).addClass("is-apple");
+	}
+
 	$("#form").on("submit", function(e) {
 		e.preventDefault();
 		utils.forceFocus();