Amend Memrise links (#4231)

readme.md

@@ -80,7 +80,7 @@ The changelog for the stable versions can be found [here](https://github.com/tri
 
 ## First look
 
-Type `:help` or press `<F1>` for online help once you're in, or `:tutor` for a friendly introduction. You might also find the [unofficial Tridactyl Memrise course](https://app.memrise.com/course/5995499/tridactyls-main-shortcuts/) useful for memorising keybinds.
+Type `:help` or press `<F1>` for online help once you're in, or `:tutor` for a friendly introduction. You might also find the [unofficial Tridactyl Memrise course](https://app.memrise.com/community/course/5995499/tridactyls-main-shortcuts/) (requires login) useful for memorising keybinds.
 
 Remember that Tridactyl cannot run on any page on about:\*, data:\*, view-source:\* and file:\*. We're sorry about that and we're working with Firefox to improve this situation by removing restrictions on existing APIs and developing a new API.
 

src/static/clippy/1-tutor.md

@@ -4,7 +4,7 @@ Hello. If you've just installed Tridactyl for the first time, welcome! Tridactyl
 
 Welcome to the Tridactyl tutorial. Here, you will learn how to get started with this extension. If you ever want to get back to this page, just type `:tutor`.
 
-It will not cover advanced topics. For those, [`:help`](../docs/modules/_src_excmds_.html) is always at hand. You might also find the [unofficial Tridactyl Memrise course](https://app.memrise.com/course/5995499/tridactyls-main-shortcuts/) useful for memorising binds.
+It will not cover advanced topics. For those, [`:help`](../docs/modules/_src_excmds_.html) is always at hand. You might also find the [unofficial Tridactyl Memrise course](https://app.memrise.com/community/course/5995499/tridactyls-main-shortcuts/) (requires login) useful for memorising binds.
 
 ---