diff --git a/docs/NEWS.md b/docs/NEWS.md
index 7c03322..6aa91c8 100644
--- a/docs/NEWS.md
+++ b/docs/NEWS.md
@@ -9,7 +9,7 @@
  * *cleanup:* fix GCC warning when using glibc 2.43 ([#180](https://codeberg.org/ivarch/pv/pulls/180))
  * *cleanup:* fix warning in pv_remote_check() stub on OpenBSD
  * *cleanup:* use dynamic line buffers for **--watchfd** process lookups
- * *cleanup:* replace the blanket 100,000-hour clamp on displayed times with a million days for timer and ETA, and 7,000 years for estimated finish time
+ * *cleanup:* replace the blanket 100,000-hour clamp on displayed times with a million days for timer and ETA, and 7,000 years for estimated finish time, on 64-bit systems
  * *cleanup:* standardise the error reporting mechanism
  * *cleanup:* improve code comments