diff --git a/docs/source/development/client.md b/docs/source/development/client.md
index c868be7420b0a94cfa9cb6e2379cf9789d4cb18a..3cef7f4041f992ea836ea6910842f043ee23dcd7 100644
--- a/docs/source/development/client.md
+++ b/docs/source/development/client.md
@@ -1,10 +1,10 @@
 # Frontend
 
-[comment]: # (TODO)
+Here it is described how to work with the frontend in the system.
 
 ## Working with TypeScript
 
-[comment]: # (TODO)
+The main programming languange used for the front end is TypeScript.
 
 ### npm
 
diff --git a/docs/source/testing/client.md b/docs/source/testing/client.md
index b0201a485b067be1dd57a7ca0fd48712d543cf31..367eee00a5e661f63761926c62b10768cbabc262 100644
--- a/docs/source/testing/client.md
+++ b/docs/source/testing/client.md
@@ -1,3 +1,5 @@
 # Testing the client
 
-[comment]: # (TODO)
\ No newline at end of file
+The clients tests are the files named `<name>.test.ts`.
+They test the file called `<name>.ts`.
+They are run using the [VS Code task](../development/vscode.md) `Unit tests`.
diff --git a/docs/source/testing/e2e.md b/docs/source/testing/e2e.md
index 62d7038664f24151e4fcc1a45849f337e9636770..2fdffa7a7038cd9acaefcc2580dad5d9be38afb9 100644
--- a/docs/source/testing/e2e.md
+++ b/docs/source/testing/e2e.md
@@ -1,3 +1,6 @@
 # End to end tests
 
-[comment]: # (TODO)
\ No newline at end of file
+The end to end tests are tests that test the entire system, both the server and the client.
+They are stored in the folder `/client/src/e2e/`.
+Both the client and the server need to be running for the end to end tests to work.
+The tests are run using the [VS Code task](../development/vscode.md) `Run e2e tests`.