diff --git a/CHANGELOG.md b/CHANGELOG.md
index 360cbff..5798aa7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,12 @@ Operators, you should copy/paste content of this content straight to your projec
 
 If you were at `firehose-core` version `1.0.0` and are bumping to `1.1.0`, you should copy the content between those 2 version to your own repository, replacing placeholder value `fire{chain}` with your chain's own binary.
 
+## Unreleased
+
+* [Operator] Node Manager HTTP `/v1/resume` call now accepts `extra-env=<key>=<value>&extra-env=<keyN>=<valueN>` enabling to override environment variables for the next restart **only**. Use `curl -XPOST "http://localhost:10011/v1/resume?sync=true&extra-env=NODE_DEBUG=true"` (change `localhost:10011` accordingly to your setup).
+
+  > This is **not** persistent upon restart!
+
 ## v1.6.4
 
 ### Substreams fixes
@@ -19,7 +25,7 @@ If you were at `firehose-core` version `1.0.0` and are bumping to `1.1.0`, you s
 ### Substreams fixes
 
 * Fix "cannot resolve 'old cursor' from files in passthrough mode" error on some requests with an old cursor
-* Fix handling of 'special case' substreams module with only "params" as its input: should not skip this execution (used in graph-node for head tracking) 
+* Fix handling of 'special case' substreams module with only "params" as its input: should not skip this execution (used in graph-node for head tracking)
   -> empty files in module cache with hash `d3b1920483180cbcd2fd10abcabbee431146f4c8` should be deleted for consistency
 * Fix bug where some invalid cursors may be sent (with 'LIB' being above the block being sent) and add safeguard/loggin if the bug appears again
 * Fix panic in the whole tier2 process when stores go above the size limit while being read from "kvops" cached changes