fix: links

guide/index.md

@@ -29,7 +29,7 @@ or connected via VPN) and others use different tools still (if they do, they wil
 
 Some courses use clicker questions, to access those, you can use the [EduApp](https://eduapp.ethz.ch).
 
-For the VPN, WiFi, Email, GitLab, Moodle, CodeExpert and EduApp, there is a usage guide [here](./infra)
+For the VPN, WiFi, Email, GitLab, Moodle, CodeExpert and EduApp, there is a usage guide [here](./infra/)
 
 Links to the course materials can always also be found on [MyStudies](http://mystudies.ethz.ch).
 
@@ -49,7 +49,7 @@ This includes signing up for the semester, courses, exams and more and can be ac
 
 ## Bachelor's Programme Structure
 Most students need between six and seven semesters to finish their bachelor's degree, followed by a further four to five semesters for the master's degree.
-For more information on the studies and things to keep in mind, see [here](./semester-planning).
+For more information on the studies and things to keep in mind, see [here](./semesters/semester-planning).
 
 All first year courses (and most later courses, with some exceptions) follow a structure of having:
 - Some lectures (denoted `V` for "Vorlesung" in VVZ, EduApp and MyStudies)

guide/semesters/semester1.md

@@ -94,7 +94,7 @@ which is known as "Peer Grading".
 These assignments, as well as the peer grading and the mini quizzes all contribute to bonus.
 
 Then, there are the programming tasks via Code Expert.
-See the [infra guide](/guide/infra) for more details on how it works and how to log in.
+See the [infra guide](/guide/infra/) for more details on how it works and how to log in.
 
 In these tasks, you are asked to implement algorithms seen in the lectures to solve problems, all within given time complexity constraints.
 The provided tests are excellent, and you can also write your own, if you like.