6 files changed, 19 insertions, 16 deletions
diff --git a/files/ja/_redirects.txt b/files/ja/_redirects.txt
index 3adaee9525..f7931e8e02 100644
--- a/files/ja/_redirects.txt
+++ b/files/ja/_redirects.txt
@@ -3268,6 +3268,7 @@
 /ja/docs/Web/API/Response/useFinalURL	/ja/docs/orphaned/Web/API/Response/useFinalURL
 /ja/docs/Web/API/SVGTests	/ja/docs/orphaned/Web/API/SVGTests
 /ja/docs/Web/API/SVGTransformable	/ja/docs/orphaned/Web/API/SVGTransformable
+/ja/docs/Web/API/Screen/onorientationchange	/ja/docs/Web/API/Screen/orientationchange_event
 /ja/docs/Web/API/ScrollToOptions	/ja/docs/conflicting/Web/API/Window/scroll
 /ja/docs/Web/API/ServiceWorkerGlobalScope/caches	/ja/docs/conflicting/Web/API/caches
 /ja/docs/Web/API/ServiceWorker_API	/ja/docs/Web/API/Service_Worker_API
diff --git a/files/ja/_wikihistory.json b/files/ja/_wikihistory.json
index d17ceed58b..7615f224f5 100644
--- a/files/ja/_wikihistory.json
+++ b/files/ja/_wikihistory.json
@@ -21161,15 +21161,15 @@
       "shuuji3"
     ]
   },
-  "Web/API/Screen/onorientationchange": {
-    "modified": "2020-10-15T21:52:15.970Z",
+  "Web/API/Screen/orientation": {
+    "modified": "2020-10-15T21:52:16.035Z",
     "contributors": [
       "mfuji09",
       "shuuji3"
     ]
   },
-  "Web/API/Screen/orientation": {
-    "modified": "2020-10-15T21:52:16.035Z",
+  "Web/API/Screen/orientationchange_event": {
+    "modified": "2020-10-15T21:52:15.970Z",
     "contributors": [
       "mfuji09",
       "shuuji3"
diff --git a/files/ja/web/api/screen/onorientationchange/index.html b/files/ja/web/api/screen/orientationchange_event/index.html
index 975b5ede0e..67b8f8a6b2 100644
--- a/files/ja/web/api/screen/onorientationchange/index.html
+++ b/files/ja/web/api/screen/orientationchange_event/index.html
@@ -1,6 +1,6 @@
 ---
 title: Screen.onorientationchange
-slug: Web/API/Screen/onorientationchange
+slug: Web/API/Screen/orientationchange_event
 tags:
   - API
   - CSSOM View
@@ -9,6 +9,7 @@ tags:
   - Property
   - Screen Orientation
 translation_of: Web/API/Screen/onorientationchange
+original_slug: Web/API/Screen/onorientationchange
 ---
 <p>{{APIRef("Screen Orientation API")}}{{Deprecated_Header}}</p>
 
diff --git a/files/ko/_redirects.txt b/files/ko/_redirects.txt
index f8ecb5e8f5..a69d0e95b6 100644
--- a/files/ko/_redirects.txt
+++ b/files/ko/_redirects.txt
@@ -489,10 +489,11 @@
 /ko/docs/Web/API/RandomSource/getRandomValues	/ko/docs/Web/API/Crypto/getRandomValues
 /ko/docs/Web/API/Screen.lockOrientation	/ko/docs/Web/API/Screen/lockOrientation
 /ko/docs/Web/API/Screen.lockOrientation/window.screen.lockOrientation	/ko/docs/Web/API/Screen/lockOrientation
-/ko/docs/Web/API/Screen.onorientationchange	/ko/docs/Web/API/Screen/onorientationchange
-/ko/docs/Web/API/Screen.onorientationchange/window.screen.onorientationchange	/ko/docs/Web/API/Screen/onorientationchange
+/ko/docs/Web/API/Screen.onorientationchange	/ko/docs/Web/API/Screen/orientationchange_event
+/ko/docs/Web/API/Screen.onorientationchange/window.screen.onorientationchange	/ko/docs/Web/API/Screen/orientationchange_event
 /ko/docs/Web/API/Screen.orientation	/ko/docs/Web/API/Screen/orientation
 /ko/docs/Web/API/Screen.orientation/window.screen.orientation	/ko/docs/Web/API/Screen/orientation
+/ko/docs/Web/API/Screen/onorientationchange	/ko/docs/Web/API/Screen/orientationchange_event
 /ko/docs/Web/API/Streams_API/컨셉	/ko/docs/Web/API/Streams_API/Concepts
 /ko/docs/Web/API/WebGL_API/Adding_2D_content_to_a_WebGL_context	/ko/docs/Web/API/WebGL_API/Tutorial/Adding_2D_content_to_a_WebGL_context
 /ko/docs/Web/API/WebGL_API/Animating_objects_with_WebGL	/ko/docs/Web/API/WebGL_API/Tutorial/Animating_objects_with_WebGL
@@ -512,7 +513,7 @@
 /ko/docs/Web/API/window.navigator.battery	/ko/docs/Web/API/Navigator/battery
 /ko/docs/Web/API/window.navigator.connection	/ko/docs/Web/API/Navigator/connection
 /ko/docs/Web/API/window.screen.lockOrientation	/ko/docs/Web/API/Screen/lockOrientation
-/ko/docs/Web/API/window.screen.onorientationchange	/ko/docs/Web/API/Screen/onorientationchange
+/ko/docs/Web/API/window.screen.onorientationchange	/ko/docs/Web/API/Screen/orientationchange_event
 /ko/docs/Web/API/window.screen.orientation	/ko/docs/Web/API/Screen/orientation
 /ko/docs/Web/API/window.screen.unlockOrientation	/ko/docs/Web/API/Screen/unlockOrientation
 /ko/docs/Web/CSS/All_About_The_Containing_Block	/ko/docs/Web/CSS/Containing_block
diff --git a/files/ko/_wikihistory.json b/files/ko/_wikihistory.json
index ecc1af296f..6c67d4c18d 100644
--- a/files/ko/_wikihistory.json
+++ b/files/ko/_wikihistory.json
@@ -6381,18 +6381,18 @@
       "junho85"
     ]
   },
-  "Web/API/Screen/onorientationchange": {
-    "modified": "2019-03-23T23:26:53.977Z",
+  "Web/API/Screen/orientation": {
+    "modified": "2019-03-23T23:27:06.864Z",
     "contributors": [
-      "jsx",
+      "fscholz",
       "teoli",
       "junho85"
     ]
   },
-  "Web/API/Screen/orientation": {
-    "modified": "2019-03-23T23:27:06.864Z",
+  "Web/API/Screen/orientationchange_event": {
+    "modified": "2019-03-23T23:26:53.977Z",
     "contributors": [
-      "fscholz",
+      "jsx",
       "teoli",
       "junho85"
     ]
diff --git a/files/ko/web/api/screen/onorientationchange/index.html b/files/ko/web/api/screen/orientationchange_event/index.html
index 2e8c0c3e83..9a2ee40715 100644
--- a/files/ko/web/api/screen/onorientationchange/index.html
+++ b/files/ko/web/api/screen/orientationchange_event/index.html
@@ -1,8 +1,8 @@
 ---
 title: window.screen.onorientationchange
-slug: Web/API/Screen/onorientationchange
+slug: Web/API/Screen/orientationchange_event
 translation_of: Web/API/Screen/onorientationchange
-original_slug: Web/API/Screen.onorientationchange
+original_slug: Web/API/Screen/onorientationchange
 ---
 <p>{{ ApiRef() }}</p>
 <p>{{SeeCompatTable}}</p>