diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
new file mode 100644
index 00000000..e8d52f68
--- /dev/null
+++ b/.git-blame-ignore-revs
@@ -0,0 +1,2 @@
+# Auto-format Kotlin code
+816cd483c8adf4c04e14236c173a1dc6bd2579ea
diff --git a/DEVELOPMENT.adoc b/DEVELOPMENT.adoc
index 0f42d127..f33d484d 100644
--- a/DEVELOPMENT.adoc
+++ b/DEVELOPMENT.adoc
@@ -13,6 +13,8 @@ If the project is opened but not imported, look for a popup in the lower right c
 and click its "Import Gradle Project" link.
 . (recommended) Install {uri-gng}[gng] +
 _gng_ enables to run Gradle commands with `gw` (instead of `./gradlew`) from any subdirectory.
+. (recommended) Set up Git ignore-revs +
+`git config blame.ignoreRevsFile .git-blame-ignore-revs`
 . (recommended) Install {uri-jenv}[jenv] and plugins +
 _jenv_ use specific JDK versions in certain subdirectories. _Pkl_ comes with a `.java-version` file specifying JDK 17. +
 Enable _jenv_ plugins for better handling by `gradle`: