diff --git a/docs/site/Error-handling.md b/docs/site/reference/error-codes.md
similarity index 95%
rename from docs/site/Error-handling.md
rename to docs/site/reference/error-codes.md
index 17934d64850e..c4da2b04df78 100644
--- a/docs/site/Error-handling.md
+++ b/docs/site/reference/error-codes.md
@@ -1,13 +1,12 @@
 ---
 lang: en
-title: Error Handling
+title: Error Codes
 keywords: LoopBack 4.0, LoopBack 4, Node.js, TypeScript, OpenAPI, Error Handling
 sidebar: lb4_sidebar
-permalink: /doc/en/lb4/Error-handling.html
+permalink: /doc/en/lb4/Error-codes.html
+redirect_from: /doc/en/lb4/Error-handling.html
 ---
 
-## Known Error Codes
-
 In order to allow clients to reliably detect individual error causes, LoopBack
 sets the error `code` property to a machine-readable string.
 
diff --git a/docs/site/sidebars/lb4_sidebar.yml b/docs/site/sidebars/lb4_sidebar.yml
index 76c7c37abccc..d4033bb232c6 100644
--- a/docs/site/sidebars/lb4_sidebar.yml
+++ b/docs/site/sidebars/lb4_sidebar.yml
@@ -498,10 +498,6 @@ children:
     url: Mixin.html
     output: 'web, pdf'
 
-  - title: 'Error handling'
-    url: Error-handling.html
-    output: 'web, pdf'
-
   - title: 'Context'
     url: Context.html
     output: 'web, pdf'
@@ -560,6 +556,10 @@ children:
     url: apidocs.index.html
     output: 'web, pdf'
 
+  - title: 'Error codes'
+    url: Error-codes.html
+    output: 'web, pdf'
+
   - title: 'CLI References'
     url: Command-line-interface.html
     output: 'web, pdf'