diff --git a/doc/ACKNOWLEDGEMENTS.md b/doc/ACKNOWLEDGEMENTS.md
index d9688f5..2433982 100644
--- a/doc/ACKNOWLEDGEMENTS.md
+++ b/doc/ACKNOWLEDGEMENTS.md
@@ -72,6 +72,7 @@ is acknowledged and greatly appreciated:
  * Johannes Gerer <http://johannesgerer.com> - suggested that "`-B`" should enable "`-C`"
  * Sam James - provided fix for number.c build issue caused by missing stddef.h
  * Jakub Wilk <jwilk@jwilk.net> - corrected README encoding
+ * [Luc Gommans](https://github.com/lgommans) / https://lgms.nl/ - provided a "momentary ETA" patch
  * [ikasty](https://github.com/ikasty) - added relative filename display to "`--watchfd`"
  * [Michael Weiß](https://github.com/quitschbo) - corrected behaviour when not attached to a terminal
  * [christoph-zededa](https://github.com/christoph-zededa) - provided OS X support for "`--watchfd`"
diff --git a/doc/NEWS.md b/doc/NEWS.md
index c6469c8..17f4088 100644
--- a/doc/NEWS.md
+++ b/doc/NEWS.md
@@ -5,6 +5,7 @@ UNRELEASED
  * fix: add burst rate limit to transfer, so rate limits are not broken by bursty traffic (pull request [#62](https://github.com/a-j-wood/pv/pull/62) supplied by [Volodymyr Bychkovyak](https://github.com/vbychkoviak))
  * feature: the "`--size`" option now accepts "`@filename`" to use the size of another file (pull request [#57](https://github.com/a-j-wood/pv/pull/57) supplied by [Dave Beckett](https://github.com/dajobe))
  * feature: the "`--watchfd`" option is now available on OS X (pull request [#60](https://github.com/a-j-wood/pv/pull/60) supplied by [christoph-zededa](https://github.com/christoph-zededa))
+ * feature: new "`--eta-window`" option, to set the window over which the rate is checked, when calculating the ETA (pull request [#65](https://github.com/a-j-wood/pv/pull/65) supplied by [lemonsqueeze](https://github.com/lemonsqueeze))
  * feature: the "`--watchfd`" option will now show relative filenames, if they are under the current directory (pull request [#66](https://github.com/a-j-wood/pv/pull/66) supplied by [ikasty](https://github.com/ikasty))
  * docs: moved all open issues into GitHub and updated the TODO list
  * docs: renamed README to README.md and altered it to Markdown format
diff --git a/doc/TODO.md b/doc/TODO.md
index 73d3626..8d047cd 100644
--- a/doc/TODO.md
+++ b/doc/TODO.md
@@ -26,15 +26,12 @@ Feature requests
  * ([GH#10](https://github.com/a-j-wood/pv/issues/10)) Add watchfd tests
  * ([GH#11](https://github.com/a-j-wood/pv/issues/11)) Option "`--progress-from FILE`", read last number and use it as bytes read (Jacek Wielemborek)
  * ([GH#12](https://github.com/a-j-wood/pv/issues/12)) Allow multiple "`-d`" options (Linus Heckemann for multiple PID:FD; Jacek Wielemborek)
- * ([GH#14](https://github.com/a-j-wood/pv/issues/14)) Momentary ETA option (Luc Gommans)
  * ([GH#15](https://github.com/a-j-wood/pv/issues/15)) Use Unicode for more granular progress bar (Alexander Petrossian)
  * ([GH#17](https://github.com/a-j-wood/pv/issues/17)) Allow "`-r`" with "`-l`" and "`-n`" to output lines/sec (Roland Kletzing)
  * ([GH#21](https://github.com/a-j-wood/pv/issues/21)) Options to change the units in the rate display (Jeffrey Paul, John W. O'Brien, David Henderson)
  * ([GH#22](https://github.com/a-j-wood/pv/issues/22)) Options to skip input and seek on output (Jason A. Pfeil, Feb 2022)
  * ([GH#25](https://github.com/a-j-wood/pv/issues/25)) Normalise progress to 100% on overrun (Andrej Gantvorg)
- * ([GH#28](https://github.com/a-j-wood/pv/issues/28)) Calculate ETA based on current average rate instead of global average (Matt, Christoph Biedl)
  * ([GH#29](https://github.com/a-j-wood/pv/issues/29)) Option to enable *O_DIRECT* (Romain Kang, Jacek Wielemborek)
- * ([GH#30](https://github.com/a-j-wood/pv/issues/30)) Option for dynamic interval to improve ETA predictions for long-running transfers (Christoph Biedl)
  * ([GH#35](https://github.com/a-j-wood/pv/issues/35)) Allow decimal values for "`-s`", "`-L`", "`-B`" (Thomas Watson - Aug 2020)
  * ([GH#36](https://github.com/a-j-wood/pv/issues/36)) Ignore *SIGWINCH* (window size change) if "`-w`" / "`-H`" provided
  * ([GH#37](https://github.com/a-j-wood/pv/issues/37)) Allow "`-E`" to take a block size argument so errors cause a skip to the next block (Anthony DeRobertis - Oct 2016)