diff --git a/app/assets/javascripts/discourse/app/templates/modal/history.hbs b/app/assets/javascripts/discourse/app/templates/modal/history.hbs
index 7d2517c450d..abeb4adb532 100644
--- a/app/assets/javascripts/discourse/app/templates/modal/history.hbs
+++ b/app/assets/javascripts/discourse/app/templates/modal/history.hbs
@@ -58,6 +58,7 @@
               class={{this.inlineClass}}
               {{on "click" this.displayInline}}
               title={{i18n "post.revisions.displays.inline.title"}}
+              aria-label={{i18n "post.revisions.displays.inline.title"}}
             >
               {{d-icon "far-square"}}
               {{i18n "post.revisions.displays.inline.button"}}
@@ -69,6 +70,7 @@
               class={{this.sideBySideClass}}
               {{on "click" this.displaySideBySide}}
               title={{i18n "post.revisions.displays.side_by_side.title"}}
+              aria-label={{i18n "post.revisions.displays.side_by_side.title"}}
             >
               {{d-icon "columns"}}
               {{i18n "post.revisions.displays.side_by_side.button"}}
@@ -82,6 +84,9 @@
               title={{i18n
                 "post.revisions.displays.side_by_side_markdown.title"
               }}
+              aria-label={{i18n
+                "post.revisions.displays.side_by_side_markdown.title"
+              }}
             >
               {{d-icon "columns"}}
               {{i18n "post.revisions.displays.side_by_side_markdown.button"}}