diff --git a/crates/stackable-operator/CHANGELOG.md b/crates/stackable-operator/CHANGELOG.md
index 0b74a15de..92bc3d31a 100644
--- a/crates/stackable-operator/CHANGELOG.md
+++ b/crates/stackable-operator/CHANGELOG.md
@@ -4,13 +4,17 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
-- BREAKING: Replace `lazy_static` with `std::cell::LazyCell` (the original implementation was done in [#827] and reverted in [#835]) ([#840]).
-
 ### Added
 
 - `iter::reverse_if` helper ([#838]).
+- Add two new constants `CONFIG_OVERRIDE_FILE_HEADER_KEY` and `CONFIG_OVERRIDE_FILE_FOOTER_KEY` ([#843]).
+
+### Changed
+
+- BREAKING: Replace `lazy_static` with `std::cell::LazyCell` (the original implementation was done in [#827] and reverted in [#835]) ([#840]).
 
 [#838]: https://github.com/stackabletech/operator-rs/pull/838
+[#843]: https://github.com/stackabletech/operator-rs/pull/843
 
 ## [0.73.0] - 2024-08-09
 
diff --git a/crates/stackable-operator/src/product_config_utils.rs b/crates/stackable-operator/src/product_config_utils.rs
index 70d14f97b..13878bbd3 100644
--- a/crates/stackable-operator/src/product_config_utils.rs
+++ b/crates/stackable-operator/src/product_config_utils.rs
@@ -8,6 +8,9 @@ use tracing::{debug, error, warn};
 
 use crate::role_utils::{CommonConfiguration, Role};
 
+pub const CONFIG_OVERRIDE_FILE_HEADER_KEY: &str = "EXPERIMENTAL_FILE_HEADER";
+pub const CONFIG_OVERRIDE_FILE_FOOTER_KEY: &str = "EXPERIMENTAL_FILE_FOOTER";
+
 type Result<T, E = Error> = std::result::Result<T, E>;
 
 #[derive(Debug, PartialEq, Snafu)]