From 0478c75614c7429763cd80d18e3d7f650d678201 Mon Sep 17 00:00:00 2001
From: tech234a <46801700+tech234a@users.noreply.github.com>
Date: Mon, 14 Mar 2022 23:47:01 -0400
Subject: [PATCH] Add unvote time limits

---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index 1df1ef4..70d618d 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,7 @@ _This list has no affiliation with Hacker News, Y Combinator, or any YC-backed c
     - [Flame-War Detector](#flame-war-detector)
     - [Second-Chance Pool](#second-chance-pool)
     - [Edit/Delete Time Limits](#editdelete-time-limits)
+    - [Unvote Time Limits](#unvote-time-limits)
     - [Comment Collapsing](#comment-collapsing)
     - [Shadowbanning](#shadowbanning)
     - [Green Usernames](#green-usernames)
@@ -101,6 +102,9 @@ Moderators can change the title of a submission at any time.
 
 If you need something deleted but you can't, you'll have to message [hn@ycombinator.com](mailto:hn@ycombinator.com).
 
+### Unvote Time Limits
+After a user votes on a post or comment, it can be unvoted [**within 1 hour**](https://news.ycombinator.com/item?id=12073806). After that time, the vote becomes permanent.
+
 ### Comment Collapsing
 
 Comments can be collapsed by clicking the `[+]` icon to improve readability.`[flagged]` comments are sometimes collapsed by default, and moderators can set a comment to automatically be collapsed if necessary (e.g. meta-discussion).