diff --git a/packages/blockly/msg/json/en.json b/packages/blockly/msg/json/en.json
index caf6c4986..ba25a150d 100644
--- a/packages/blockly/msg/json/en.json
+++ b/packages/blockly/msg/json/en.json
@@ -1,7 +1,7 @@
 {
 	"@metadata": {
 		"author": "Ellen Spertus <ellen.spertus@gmail.com>",
-		"lastupdated": "2026-04-29 08:57:47.670420",
+		"lastupdated": "2026-04-29 12:42:30.774691",
 		"locale": "en",
 		"messagedocumentation" : "qqq"
 	},
diff --git a/packages/blockly/msg/json/qqq.json b/packages/blockly/msg/json/qqq.json
index 6531af1ef..4844a14c0 100644
--- a/packages/blockly/msg/json/qqq.json
+++ b/packages/blockly/msg/json/qqq.json
@@ -413,25 +413,25 @@
 	"CHROME_OS": "Name of the Google ChromeOS operating system displayed in a list of keyboard shortcuts.",
 	"LINUX": "Name of the GNU/Linux operating system displayed in a list of keyboard shortcuts.",
 	"UNKNOWN": "Placeholder name for an operating system that can't be identified in a list of keyboard shortcuts.",
-	"CONTROL_KEY": "Representation of the Control key used in keyboard shortcuts.",
-	"COMMAND_KEY": "Representation of the Mac Command key used in keyboard shortcuts.",
-	"OPTION_KEY": "Representation of the Mac Option key used in keyboard shortcuts.",
-	"ALT_KEY": "Representation of the Alt key used in keyboard shortcuts.",
-	"ENTER_KEY": "Representation of the Enter key used in keyboard shortcuts.",
-	"BACKSPACE_KEY": "Representation of the Backspace key used in keyboard shortcuts.",
-	"DELETE_KEY": "Representation of the Delete key used in keyboard shortcuts.",
-	"ESCAPE": "Representation of the Escape key used in keyboard shortcuts.",
-	"TAB_KEY": "Representation of the Tab key used in keyboard shortcuts.",
-	"SHIFT_KEY": "Representation of the Shift key used in keyboard shortcuts.",
-	"CAPS_LOCK_KEY": "Representation of the Caps Lock key used in keyboard shortcuts.",
-	"SPACE_KEY": "Representation of the Space key used in keyboard shortcuts.",
-	"PAGE_UP_KEY": "Representation of the Page Up key used in keyboard shortcuts.",
-	"PAGE_DOWN_KEY": "Representation of the Page Down key used in keyboard shortcuts.",
-	"END_KEY": "Representation of the End key used in keyboard shortcuts.",
-	"HOME_KEY": "Representation of the Home key used in keyboard shortcuts.",
-	"INSERT_KEY": "Representation of the Insert key used in keyboard shortcuts.",
-	"PAUSE_KEY": "Representation of the Pause key used in keyboard shortcuts.",
-	"CONTEXT_MENU_KEY": "Representation of the Context Menu key used in keyboard shortcuts.",
+	"CONTROL_KEY": "{{Optional}} Representation of the Control key used in keyboard shortcuts.",
+	"COMMAND_KEY": "{{Optional}} Representation of the Mac Command key used in keyboard shortcuts.",
+	"OPTION_KEY": "{{Optional}} Representation of the Mac Option key used in keyboard shortcuts.",
+	"ALT_KEY": "{{Optional}} Representation of the Alt key used in keyboard shortcuts.",
+	"ENTER_KEY": "{{Optional}} Representation of the Enter key used in keyboard shortcuts.",
+	"BACKSPACE_KEY": "{{Optional}} Representation of the Backspace key used in keyboard shortcuts.",
+	"DELETE_KEY": "{{Optional}} Representation of the Delete key used in keyboard shortcuts.",
+	"ESCAPE": "{{Optional}} Representation of the Escape key used in keyboard shortcuts.",
+	"TAB_KEY": "{{Optional}} Representation of the Tab key used in keyboard shortcuts.",
+	"SHIFT_KEY": "{{Optional}} Representation of the Shift key used in keyboard shortcuts.",
+	"CAPS_LOCK_KEY": "{{Optional}} Representation of the Caps Lock key used in keyboard shortcuts.",
+	"SPACE_KEY": "{{Optional}} Representation of the Space key used in keyboard shortcuts.",
+	"PAGE_UP_KEY": "{{Optional}} Representation of the Page Up key used in keyboard shortcuts.",
+	"PAGE_DOWN_KEY": "{{Optional}} Representation of the Page Down key used in keyboard shortcuts.",
+	"END_KEY": "{{Optional}} Representation of the End key used in keyboard shortcuts.",
+	"HOME_KEY": "{{Optional}} Representation of the Home key used in keyboard shortcuts.",
+	"INSERT_KEY": "{{Optional}} Representation of the Insert key used in keyboard shortcuts.",
+	"PAUSE_KEY": "{{Optional}} Representation of the Pause key used in keyboard shortcuts.",
+	"CONTEXT_MENU_KEY": "{{Optional}} Representation of the Context Menu key used in keyboard shortcuts.",
 	"CUT_SHORTCUT": "menu label - Contextual menu item that cuts the focused item.",
 	"COPY_SHORTCUT": "menu label - Contextual menu item that copies the focused item.",
 	"PASTE_SHORTCUT": "menu label - Contextual menu item that pastes the previously copied item.",
diff --git a/packages/blockly/msg/messages.js b/packages/blockly/msg/messages.js
index fb353964a..829083d43 100644
--- a/packages/blockly/msg/messages.js
+++ b/packages/blockly/msg/messages.js
@@ -1646,61 +1646,61 @@ Blockly.Msg.LINUX = 'Linux';
 /// of keyboard shortcuts.
 Blockly.Msg.UNKNOWN = 'Unknown';
 /** @type {string} */
-/// Representation of the Control key used in keyboard shortcuts.
+/// {{Optional}} Representation of the Control key used in keyboard shortcuts.
 Blockly.Msg.CONTROL_KEY = 'Ctrl';
 /** @type {string} */
-/// Representation of the Mac Command key used in keyboard shortcuts.
+/// {{Optional}} Representation of the Mac Command key used in keyboard shortcuts.
 Blockly.Msg.COMMAND_KEY = '⌘ Command';
 /** @type {string} */
-/// Representation of the Mac Option key used in keyboard shortcuts.
+/// {{Optional}} Representation of the Mac Option key used in keyboard shortcuts.
 Blockly.Msg.OPTION_KEY = '⌥ Option';
 /** @type {string} */
-/// Representation of the Alt key used in keyboard shortcuts.
+/// {{Optional}} Representation of the Alt key used in keyboard shortcuts.
 Blockly.Msg.ALT_KEY = 'Alt';
 /** @type {string} */
-/// Representation of the Enter key used in keyboard shortcuts.
+/// {{Optional}} Representation of the Enter key used in keyboard shortcuts.
 Blockly.Msg.ENTER_KEY = 'Enter';
 /** @type {string} */
-/// Representation of the Backspace key used in keyboard shortcuts.
+/// {{Optional}} Representation of the Backspace key used in keyboard shortcuts.
 Blockly.Msg.BACKSPACE_KEY = 'Backspace';
 /** @type {string} */
-/// Representation of the Delete key used in keyboard shortcuts.
+/// {{Optional}} Representation of the Delete key used in keyboard shortcuts.
 Blockly.Msg.DELETE_KEY = 'Delete';
 /** @type {string} */
-/// Representation of the Escape key used in keyboard shortcuts.
+/// {{Optional}} Representation of the Escape key used in keyboard shortcuts.
 Blockly.Msg.ESCAPE = 'Esc';
 /** @type {string} */
-/// Representation of the Tab key used in keyboard shortcuts.
+/// {{Optional}} Representation of the Tab key used in keyboard shortcuts.
 Blockly.Msg.TAB_KEY = 'Tab';
 /** @type {string} */
-/// Representation of the Shift key used in keyboard shortcuts.
+/// {{Optional}} Representation of the Shift key used in keyboard shortcuts.
 Blockly.Msg.SHIFT_KEY = 'Shift';
 /** @type {string} */
-/// Representation of the Caps Lock key used in keyboard shortcuts.
+/// {{Optional}} Representation of the Caps Lock key used in keyboard shortcuts.
 Blockly.Msg.CAPS_LOCK_KEY = 'Caps Lock';
 /** @type {string} */
-/// Representation of the Space key used in keyboard shortcuts.
+/// {{Optional}} Representation of the Space key used in keyboard shortcuts.
 Blockly.Msg.SPACE_KEY = 'Space';
 /** @type {string} */
-/// Representation of the Page Up key used in keyboard shortcuts.
+/// {{Optional}} Representation of the Page Up key used in keyboard shortcuts.
 Blockly.Msg.PAGE_UP_KEY = 'Page Up';
 /** @type {string} */
-/// Representation of the Page Down key used in keyboard shortcuts.
+/// {{Optional}} Representation of the Page Down key used in keyboard shortcuts.
 Blockly.Msg.PAGE_DOWN_KEY = 'Page Down';
 /** @type {string} */
-/// Representation of the End key used in keyboard shortcuts.
+/// {{Optional}} Representation of the End key used in keyboard shortcuts.
 Blockly.Msg.END_KEY = 'End';
 /** @type {string} */
-/// Representation of the Home key used in keyboard shortcuts.
+/// {{Optional}} Representation of the Home key used in keyboard shortcuts.
 Blockly.Msg.HOME_KEY = 'Home';
 /** @type {string} */
-/// Representation of the Insert key used in keyboard shortcuts.
+/// {{Optional}} Representation of the Insert key used in keyboard shortcuts.
 Blockly.Msg.INSERT_KEY = 'Insert';
 /** @type {string} */
-/// Representation of the Pause key used in keyboard shortcuts.
+/// {{Optional}} Representation of the Pause key used in keyboard shortcuts.
 Blockly.Msg.PAUSE_KEY = 'Pause';
 /** @type {string} */
-/// Representation of the Context Menu key used in keyboard shortcuts.
+/// {{Optional}} Representation of the Context Menu key used in keyboard shortcuts.
 Blockly.Msg.CONTEXT_MENU_KEY = '≣ Menu';
 /** @type {string} */
 /// menu label - Contextual menu item that cuts the focused item.