diff --git a/files/ja/_redirects.txt b/files/ja/_redirects.txt
index 0b0b669ad72006..7d6b5f351eaf39 100644
--- a/files/ja/_redirects.txt
+++ b/files/ja/_redirects.txt
@@ -3519,6 +3519,7 @@
 /ja/docs/Web/CSS/:host()	/ja/docs/Web/CSS/:host_function
 /ja/docs/Web/CSS/:matches	/ja/docs/Web/CSS/:is
 /ja/docs/Web/CSS/@font-face/font-variant	/ja/docs/Web/CSS/@font-face
+/ja/docs/Web/CSS/@media/update-frequency	/ja/docs/Web/CSS/@media/update
 /ja/docs/Web/CSS/@scroll-timeline	/ja/docs/Web/CSS/scroll-timeline
 /ja/docs/Web/CSS/@viewport	/ja/docs/Web/CSS
 /ja/docs/Web/CSS/@viewport/height	/ja/docs/Web/CSS
diff --git a/files/ja/_wikihistory.json b/files/ja/_wikihistory.json
index 1af439e0e9785d..2aad994a3ae7fd 100644
--- a/files/ja/_wikihistory.json
+++ b/files/ja/_wikihistory.json
@@ -16351,7 +16351,7 @@
     "modified": "2020-10-15T22:20:56.866Z",
     "contributors": ["mfuji09"]
   },
-  "Web/CSS/@media/update-frequency": {
+  "Web/CSS/@media/update": {
     "modified": "2020-10-15T22:06:02.463Z",
     "contributors": ["mfuji09"]
   },
diff --git a/files/ja/web/css/@media/update-frequency/index.md b/files/ja/web/css/@media/update/index.md
similarity index 96%
rename from files/ja/web/css/@media/update-frequency/index.md
rename to files/ja/web/css/@media/update/index.md
index a23a7ae8e244b8..9aa6d8f554bc09 100644
--- a/files/ja/web/css/@media/update-frequency/index.md
+++ b/files/ja/web/css/@media/update/index.md
@@ -1,6 +1,7 @@
 ---
 title: update
-slug: Web/CSS/@media/update-frequency
+slug: Web/CSS/@media/update
+original_slug: Web/CSS/@media/update-frequency
 ---
 
 {{CSSRef}}