diff --git a/packages/frontend/src/components/MkPullToRefresh.vue b/packages/frontend/src/components/MkPullToRefresh.vue
index 88ca331dd8..7f5148dac0 100644
--- a/packages/frontend/src/components/MkPullToRefresh.vue
+++ b/packages/frontend/src/components/MkPullToRefresh.vue
@@ -5,6 +5,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 
 <template>
 <div ref="rootEl" :class="isPulling ? $style.isPulling : null">
+	<!-- 小数が含まれるとレンダリングが高頻度になりすぎパフォーマンスが悪化するためround -->
 	<div v-if="isPulling" :class="$style.frame" :style="`--frame-min-height: ${Math.round(pullDistance / (PULL_BRAKE_BASE + (pullDistance / PULL_BRAKE_FACTOR)))}px;`">
 		<div :class="$style.frameContent">
 			<MkLoading v-if="isRefreshing" :class="$style.loader" :em="true"/>