diff --git a/tools/github/README.md b/tools/github/README.md
index 7c742e1..673b280 100644
--- a/tools/github/README.md
+++ b/tools/github/README.md
@@ -49,3 +49,11 @@ Create a folder `.github/workflows` in the root of your repository. You can now
 
 - Sending the diploma thesis, and therefore automated emails, using a school email address is not supported. Therefore use an email address that does not correspond to your school email address.
 - If you use Gmail as a sending email address, you have to generate an app password and use this instead of your normal password. [Manual](https://knowledge.workspace.google.com/kb/how-to-create-app-passwords-000009237)
+
+# Credentials
+
+- ducumentation
+  - Schrempf Marko
+- code
+  - Schrempf Marko
+  - Kampl Maximilian
diff --git a/tools/github/diploma-thesis-manual.yml b/tools/github/diploma-thesis-manual.yml
index 245b3a2..e9756ab 100644
--- a/tools/github/diploma-thesis-manual.yml
+++ b/tools/github/diploma-thesis-manual.yml
@@ -19,7 +19,7 @@ jobs:
       - name: Install dependencies
         run: |
           sudo apt-get update
-          sudo apt-get install git build-essential make-guile texlive-full pandoc pandoc-citeproc tree rsync hunspell hunspell-de-at
+          sudo apt-get install -y --no-install-recommends git build-essential make-guile texlive-full pandoc pandoc-citeproc tree rsync hunspell hunspell-de-at hunspell-en-us
           
       - name: Build diploma thesis
         run: |