3 files changed, 6 insertions, 3 deletions
diff --git a/files/es/web/api/animation/oncancel/index.html b/files/es/web/api/animation/cancel_event/index.html
index 1f09835210..94e730d509 100644
--- a/files/es/web/api/animation/oncancel/index.html
+++ b/files/es/web/api/animation/cancel_event/index.html
@@ -1,6 +1,6 @@
 ---
 title: Animation.oncancel
-slug: Web/API/Animation/oncancel
+slug: Web/API/Animation/cancel_event
 tags:
   - API
   - Animacion
@@ -9,6 +9,7 @@ tags:
   - Reference
   - oncancel
 translation_of: Web/API/Animation/oncancel
+original_slug: Web/API/Animation/oncancel
 ---
 <p>{{ SeeCompatTable() }}{{ APIRef("Web Animations") }}</p>
 
diff --git a/files/es/web/api/animation/onfinish/index.html b/files/es/web/api/animation/finish_event/index.html
index 592014f698..5bf34bc5be 100644
--- a/files/es/web/api/animation/onfinish/index.html
+++ b/files/es/web/api/animation/finish_event/index.html
@@ -1,6 +1,6 @@
 ---
 title: Animation.onfinish
-slug: Web/API/Animation/onfinish
+slug: Web/API/Animation/finish_event
 tags:
   - API
   - Animacion
@@ -10,6 +10,7 @@ tags:
   - onfinish
   - waapi
 translation_of: Web/API/Animation/onfinish
+original_slug: Web/API/Animation/onfinish
 ---
 <p>{{ SeeCompatTable() }}{{ APIRef("Web Animations") }}</p>
 
diff --git a/files/es/web/api/xmlhttprequest/onreadystatechange/index.html b/files/es/web/api/xmlhttprequest/readystatechange_event/index.html
index 7f35ad3e88..4b68a7b267 100644
--- a/files/es/web/api/xmlhttprequest/onreadystatechange/index.html
+++ b/files/es/web/api/xmlhttprequest/readystatechange_event/index.html
@@ -1,7 +1,8 @@
 ---
 title: XMLHttpRequest.onreadystatechange
-slug: Web/API/XMLHttpRequest/onreadystatechange
+slug: Web/API/XMLHttpRequest/readystatechange_event
 translation_of: Web/API/XMLHttpRequest/onreadystatechange
+original_slug: Web/API/XMLHttpRequest/onreadystatechange
 ---
 <div>{{APIRef}}</div>