diff --git a/docs/src/docPages/api/commands.md b/docs/src/docPages/api/commands.md
index 80dd59c9..ff158b86 100644
--- a/docs/src/docPages/api/commands.md
+++ b/docs/src/docPages/api/commands.md
@@ -67,4 +67,4 @@ Have a look at all of the core commands listed below. They should give you a goo
 | .selectAll()       | Select the whole document.              |
 
 ### Extensions
-All extension can add additional commands (and most do), check out the specific [documentation for the provided extensions](/api/extensions) to learn more about that. Of course, you can [add your custom extensions](/guide/custom-extensions) with custom commands aswell.
+All extension can add additional commands (and most do), check out the specific [documentation for the provided extensions](/api/extensions) to learn more about that. Of course, you can [add your custom extensions](/guide/build-custom-extensions) with custom commands aswell.
diff --git a/docs/src/docPages/api/extensions.md b/docs/src/docPages/api/extensions.md
index b06f5373..6f4ca1cf 100644
--- a/docs/src/docPages/api/extensions.md
+++ b/docs/src/docPages/api/extensions.md
@@ -52,4 +52,4 @@ This section is not ready yet. Meanwhile, [search through GitHub issues](https:/
 :::
 
 ## Your custom extensions
-Didn’t find what you’re looking for? No worries, [you can build your own extensions](/guide/custom-extensions).
+Didn’t find what you’re looking for? No worries, [you can build your own extensions](/guide/build-custom-extensions).
diff --git a/docs/src/docPages/overview/upgrade-guide.md b/docs/src/docPages/overview/upgrade-guide.md
index c6382864..297c77ab 100644
--- a/docs/src/docPages/overview/upgrade-guide.md
+++ b/docs/src/docPages/overview/upgrade-guide.md
@@ -71,7 +71,7 @@ const CustomExtension = createNode({
 })
 ```
 
-Don’t forget to call `create()` in the end! Read more about [all the nifty details building custom extensions](/guide/custom-extensions) in our guide.
+Don’t forget to call `create()` in the end! Read more about [all the nifty details building custom extensions](/guide/build-custom-extensions) in our guide.
 
 ### Renamed API methods
 [We renamed a lot of commands](/api/commands), hopefully you can migrate to the new API with search & replace. Here is a list of what changed: