chore: 텍스트 편집

Author: moo1677

components/home/GraphSection.tsx

@@ -7,7 +7,7 @@ interface GraphSectionProps {
 const GraphSection = ({ className }: GraphSectionProps) => {
   return (
     <div className={className}>
-      <Card title="학습 기록">대충 잔디그래프</Card>
+      <Card title="학습 기록">잔디그래프 구현 예정</Card>
     </div>
   );
 };