diff --git a/extension.json b/extension.json
index cfcb1b227..5acf5be70 100644
--- a/extension.json
+++ b/extension.json
@@ -196,6 +196,7 @@
 				"discussiontools-replywidget-placeholder-reply",
 				"discussiontools-replywidget-preferences",
 				"discussiontools-replywidget-preview",
+				"discussiontools-replywidget-publish-accesskey",
 				"discussiontools-replywidget-reply",
 				"discussiontools-replywidget-return-to-newtopic",
 				"discussiontools-replywidget-return-to-reply",
diff --git a/i18n/en.json b/i18n/en.json
index c4639a871..86576dbf3 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -118,6 +118,7 @@
 	"discussiontools-replywidget-placeholder-reply": "Reply to {{BIDI:$1}}",
 	"discussiontools-replywidget-preferences": "Preferences",
 	"discussiontools-replywidget-preview": "Preview",
+	"discussiontools-replywidget-publish-accesskey": "s",
 	"discussiontools-replywidget-reply": "Reply",
 	"discussiontools-replywidget-reply-link": "https://www.mediawiki.org/wiki/Special:MyLanguage/Talk_pages_project/Replying",
 	"discussiontools-replywidget-return-to-newtopic": "Return to new topic",
diff --git a/i18n/qqq.json b/i18n/qqq.json
index 86dedf2eb..33d005110 100644
--- a/i18n/qqq.json
+++ b/i18n/qqq.json
@@ -131,6 +131,7 @@
 	"discussiontools-replywidget-placeholder-reply": "Placeholder describing who is being replied to.\n\nParameters:\n* $1 – username of the person who wrote the previous comment",
 	"discussiontools-replywidget-preferences": "Label for link to the relevant preferences in the reply widget (the link points to [[Special:Preferences#mw-prefsection-editing-discussion]]).\n{{Identical|Preferences}}",
 	"discussiontools-replywidget-preview": "Label for the preview area of the reply widget",
+	"discussiontools-replywidget-publish-accesskey": "{{doc-accesskey}}",
 	"discussiontools-replywidget-reply": "Label for the button to submit a reply in the reply widget",
 	"discussiontools-replywidget-reply-link": "{{notranslate}}\nUsed by {{msg-mw|Tag-discussiontools-reply}} as a link to a page where users learn about the feature. Defaults to a page on MediaWiki.org.",
 	"discussiontools-replywidget-return-to-newtopic": "Label for the button to scroll the new topic widget back into view.",
diff --git a/modules/dt.ui.ReplyWidget.js b/modules/dt.ui.ReplyWidget.js
index 4353f0f36..389c7c59d 100644
--- a/modules/dt.ui.ReplyWidget.js
+++ b/modules/dt.ui.ReplyWidget.js
@@ -77,23 +77,24 @@ function ReplyWidget( commentController, commentDetails, config ) {
 	this.replyButton = new OO.ui.ButtonWidget( {
 		flags: [ 'primary', 'progressive' ],
 		label: this.replyButtonLabel,
-		title: this.replyButtonLabel + ' ' +
+		title: this.replyButtonLabel + ' [' +
 			// TODO: Use VE keyboard shortcut generating code
 			( $.client.profile().platform === 'mac' ?
 				'⌘⏎' :
 				mw.msg( 'visualeditor-key-ctrl' ) + '+' + mw.msg( 'visualeditor-key-enter' )
-			)
+			) + ']',
+		accessKey: mw.msg( 'discussiontools-replywidget-publish-accesskey' )
 	} );
 	this.cancelButton = new OO.ui.ButtonWidget( {
 		flags: [ 'destructive' ],
 		label: mw.msg( 'discussiontools-replywidget-cancel' ),
 		framed: false,
-		title: mw.msg( 'discussiontools-replywidget-cancel' ) + ' ' +
+		title: mw.msg( 'discussiontools-replywidget-cancel' ) + ' [' +
 			// TODO: Use VE keyboard shortcut generating code
 			( $.client.profile().platform === 'mac' ?
 				'⎋' :
 				mw.msg( 'visualeditor-key-escape' )
-			)
+			) + ']'
 	} );
 
 	this.$headerWrapper = $( '<div>' ).addClass( 'ext-discussiontools-ui-replyWidget-headerWrapper' );