diff --git a/data/2024/01/index.json b/data/2024/01/index.json
index da6b98ffb..dce4bc005 100644
--- a/data/2024/01/index.json
+++ b/data/2024/01/index.json
@@ -373,10 +373,10 @@
             "relatedLinks": []
         },
         {
-            "date": "2024-01-19T13:00:14.544Z",
+            "date": "2024-01-19T13:00:28.037Z",
             "title": "penrose/penrose: Create beautiful diagrams just by typing notation in plain text.",
             "url": "https://github.com/penrose/penrose",
-            "content": "テキストで色々なダイアグラムを描画できるライブラリ。",
+            "content": "テキストで宣言的に色々なダイアグラムを描画できるライブラリ。",
             "tags": [
                 "diagram",
                 "library"