Update README.md

Fix #106

Author: fonsp

README.md

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 <p align="center"><a href="https://computationalthinking.mit.edu/"> <b>Go to course website</b> :balloon:</a></p>
 
-Welcome to **MIT 18.S191 aka 6.S083 aka 22.S092**, **Spring 2021** edition!
-_For older semester, see the [Fall 2020 branch](https://github.com/mitmath/18S191/tree/Fall20) or [older content](https://computationalthinking.mit.edu/Spring21/semesters/)._
+Welcome to **MIT 18.S191 aka 6.S083 aka 22.S092**, **Fall 2022** edition!
+_For older semesters, see:
+- Spring 2021: [source code](https://github.com/mitmath/18S191/tree/Spring21) and [website](https://computationalthinking.mit.edu/Fall22/semesters/)
+- Fall 2020: [source code](https://github.com/mitmath/18S191/tree/Fall20) and [website](https://computationalthinking.mit.edu/Fall22/semesters/)
+- Spring 2020: [website](https://computationalthinking.mit.edu/Fall22/semesters/)
+- Fall 2019: [source code](https://github.com/dpsanders/6.S083_fall_2019/tree/fall_2019)
 
 This is an introductory course on Computational Thinking. We use the [Julia programming language](http://www.julialang.org) to approach real-world problems in varied areas applying data analysis and computational and mathematical modeling. In this class you will learn computer science, software, algorithms, applications, and mathematics as an integrated whole.
 
 Topics include:
 
 -   Image analysis
--   Machine Learning?
+-   Machine Learning
 -   Network theory
 -   Climate modeling
 
-<!--
-
-Please help edit the automatically-generated subtitles in the [lecture transcripts](https://drive.google.com/drive/folders/1ekXz8x78qnq3G-_MhOh6CYgFDbL2G6Vz)!
-If you do so, please add punctuation, and please change the colour of the part you edited to a colour other than black, and different from the previous and next sections. -->
-
-## Stay updated on Twitter
-
-We will be using Twitter to put out class updates and other relevant course content. You can find us [on Twitter @MITCompThinking](https://mobile.twitter.com/MITCompThinking).
-
-## Meet our staff
-
-**Lecturers:** [Alan Edelman](http://math.mit.edu/~edelman), [David P. Sanders](http://sistemas.fciencias.unam.mx/~dsanders/), [Charles E. Leiserson](https://people.csail.mit.edu/cel/), [Henri F. Drake](https://hdrake.github.io/)
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-**Teaching assistants:** [Bola Malek](https://www.csail.mit.edu/person/bola-malek)
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-**Technical assistants:** [Fons van der Plas](https://github.com/fonsp), [Logan Kilpatrick](https://scholar.harvard.edu/logankilpatrick/home)
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-**Guest lecturers:** _to be announced_
-
-## Logistics
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-Course materials will be published on this website on **Monday 1:00pm**. Each week is a new _chapter_, which includes:
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--   Asynchronous video lectures _(total 60 minutes)_
--   Interactive visualizations
--   Exercises
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-### Live lectures
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-On **Monday 1:00pm - 2:30pm**, after the material is published, there will also be:
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--   Q&A on Discord
--   Live overview lecture _(30 minutes)_
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-On **Wednesday 1:00pm 2:30pm** _(MIT students only)_, you will meet with fellow students and your TA to:
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--   Review the lecture
--   Work on problem sets in small groups or individually, with the opportunity to ask questions to your TA
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-Start date: February 16, 2021
-
-### Discussion forum and homework submission
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--   [Discord](https://discord.gg/Z5qnVf8): discussion (we encourage you to hang out here during class!)
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--   [Piazza](https://piazza.com/mit/spring2021/6s083): (MIT only) questions, discussion with staff, announcements
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--   [Canvas](https://canvas.mit.edu/courses/7590): (MIT only) homework submissions. If you're a non-MIT student, don't worry, the **homework has built-in answers checks**, or you can find a partner to cross-grade homeworks via Discord.
-
-### Evaluation
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-The final grade is 80% problem sets, and 20% MITx _quick questions_.
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--   Problem sets are released on Tuesdays and due before Sunday (11:59pm). They have equal weight; your lowest score will be dropped.
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--   [MITx](https://lms.mitx.mit.edu/courses/course-v1:MITx+6.S083r+2021_Spring/course/) exercises (_quick questions_) are due before Wednesday (11:59pm), but are best done on Monday, during or right after the lectures.
-
-<!--
-
-Please help edit the automatically-generated subtitles in the [lecture transcripts](https://drive.google.com/drive/folders/1ekXz8x78qnq3G-_MhOh6CYgFDbL2G6Vz)!
-If you do so, please add punctuation, and please change the colour of the part you edited to a colour other than black, and different from the previous and next sections. -->
-
-<p align="center"><a href="https://computationalthinking.mit.edu/"> <b>Go to course website</b> :balloon:</a></p>
+# Go to [computationalthinking.mit.edu](https://computationalthinking.mit.edu/Fall22/) to learn more!