diff --git a/README.md b/README.md
index 2c274bd84..f8daf8b24 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,11 @@ If you are making changes to the book please note the following:
 
 * Our style guide is provided [here in the introduction](https://mlr3book.mlr-org.com/chapters/chapter1/introduction_and_overview.html#styleguide)
 * Where possible, figures in the HTML book should be svgs and figures in the PDF should be pdf. These should be included with `knitr::include_graphics()` or ideally with [include_multi_graphics()](https://github.com/mlr-org/mlr3book/blob/main/book/common/_utils.qmd).
+
+When (non-trivial) changes and corrections are made to chapters that are are included in the first published edition of this book, these changes should be documented in the *Errata* appendix.
+When adding new chapters to the book not present in the published version, these should be marked as *Online Only* in their title.
+For such newly added chapters that are in early stages and have not been rigorously edited and reviewed, these should be additionally marked as being a *Draft*.
+
 * If you add a new package dependency to the book, please follow the following steps to update the lockfile:
   * Start an R session in the `book/` directory
   * Activate the project with `renv::activate()`
diff --git a/book/_quarto.yml b/book/_quarto.yml
index 5a2d660eb..e9868b338 100644
--- a/book/_quarto.yml
+++ b/book/_quarto.yml
@@ -49,6 +49,7 @@ book:
       - chapters/appendices/solutions.qmd # online only
       - chapters/appendices/tasks.qmd # online only
       - chapters/appendices/overview-tables.qmd # online only
+      - chapters/appendices/errata.qmd # online only
 
 
 bibliography: book.bib
diff --git a/book/chapters/appendices/errata.qmd b/book/chapters/appendices/errata.qmd
new file mode 100644
index 000000000..0f0954a42
--- /dev/null
+++ b/book/chapters/appendices/errata.qmd
@@ -0,0 +1,12 @@
+---
+aliases:
+  - "/errata.html"
+---
+
+# Errata {#sec-appendix-errata}
+
+::: {.content-visible when-format="html"}
+
+{{< include ../../common/_setup.qmd >}}
+
+This appendix lists changes to the online version of this book to chapters included in the first edition.