From 1928649fd490d50d1e05fef6cbb22ca38d81cbe5 Mon Sep 17 00:00:00 2001
From: Josh Chen
Date: Sat, 17 Apr 2021 17:55:04 +0100
Subject: update readme

---
 README.md | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index eae65b9..ca053bd 100644
--- a/README.md
+++ b/README.md
@@ -11,11 +11,11 @@ Thus this project is also an experiment in creating a viable framework, based on
 
 ### Usage
 
-Isabelle/HoTT is compatible with Isabelle2020.
-To use, add the Isabelle/HoTT folder path to `.isabelle/Isabelle2020/ROOTS` (on Mac/Linux/cygwin installations):
+Isabelle/HoTT is compatible with Isabelle2021.
+To use, add the Isabelle/HoTT folder path to `.isabelle/Isabelle2021/ROOTS` (on Mac/Linux/cygwin installations):
 
 ```
-$ echo path/to/Isabelle/HoTT >> ~/.isabelle/Isabelle2020/ROOTS
+$ echo path/to/Isabelle/HoTT >> ~/.isabelle/Isabelle2021/ROOTS
 ```
 
 ### To-do list
@@ -28,4 +28,3 @@ In no particular order.
 - [ ] Recursive function definitions
 - [ ] Inductive type definitions
 - [ ] Higher inductive type definitions
-
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