diff --git a/src/components/HeartbeatBar.vue b/src/components/HeartbeatBar.vue
index 43406b922..85648bb29 100644
--- a/src/components/HeartbeatBar.vue
+++ b/src/components/HeartbeatBar.vue
@@ -380,6 +380,7 @@ export default {
          * Show custom tooltip
          * @param {object} beat Beat data
          * @param {Event} event Mouse event
+         * @returns {void}
          */
         showTooltip(beat, event) {
             if (beat === 0 || !beat) {
@@ -436,6 +437,7 @@ export default {
 
         /**
          * Hide custom tooltip
+         * @returns {void}
          */
         hideTooltip() {
             if (this.tooltipTimeoutId) {
diff --git a/src/components/Tooltip.vue b/src/components/Tooltip.vue
index e1f025601..921d22d23 100644
--- a/src/components/Tooltip.vue
+++ b/src/components/Tooltip.vue
@@ -226,6 +226,7 @@ export default {
 }
 
 // Accessibility improvements
+
 @media (prefers-reduced-motion: reduce) {
     .tooltip-wrapper {
         animation: none !important;