src/components/base/EditorToolbar.vue

@@ -209,7 +209,9 @@
 				class="editor-toolbar__button"
 				@click="editor.chain().focus().setHardBreak().run()"
 			>
-				hard break
+				<span class="icon">
+					<icon :icon="['fa', 'fa-arrow-turn-down']" />
+				</span>
 			</BaseButton>
 		</div>
 

src/components/misc/Icon.ts

@@ -73,7 +73,7 @@ import {
 	faUnlink,
 	faParagraph,
 	faTable,
-	faX,
+	faX, faArrowTurnDown,
 } from '@fortawesome/free-solid-svg-icons'
 import {
 	faBellSlash,
@@ -179,6 +179,7 @@ library.add(faArrowUpFromBracket)
 library.add(faX)
 library.add(faAnglesUp)
 library.add(faBolt)
+library.add(faArrowTurnDown)
 
 // overwriting the wrong types
 export default FontAwesomeIcon as unknown as FontAwesomeIconFixedTypes