diff --git a/CHANGELOG-unreleased.md b/CHANGELOG-unreleased.md
index 103d0dfcc..e26bf4ff1 100644
--- a/CHANGELOG-unreleased.md
+++ b/CHANGELOG-unreleased.md
@@ -47,5 +47,5 @@ the released changes.
 - Emit warnings when `WaveX`/`DMWaveX` is used together with other representations of red/DM noise
 - `get_observatory()` no longer overwrites `include_gps` and `include_bipm` of `Observatory` objects unless explicitly stated (BIPM and GPS clock corrections no longer incorrectly applied to BAT TOAs).
 - Added back `spacecraft` as an alias for `stl_geo`
-- Fix bug 1729
+- Fix bug 1729 (missing f-string)
 ### Removed