diff --git a/docs/TODO b/docs/TODO
index 4099eae2f..53d74ae31 100644
--- a/docs/TODO
+++ b/docs/TODO
@@ -167,6 +167,7 @@
  18.23 Set the modification date on an uploaded file
  18.24 Use multiple parallel transfers for a single download
  18.25 Prevent terminal injection when writing to terminal
+ 18.26 Custom progress meter update interval
 
  19. Build
  19.1 roffit
@@ -1190,6 +1191,12 @@
 
  See https://github.com/curl/curl/issues/6150
 
+18.26 Custom progress meter update interval
+
+ Users who are for example doing large downloads in CI or remote setups might
+ want the occasional progress meter update to see that the transfer is
+ progressing and hasn't stuck, but they may not appreciate the
+ many-times-a-second frequency curl can end up doing it with now.
 
 19. Build