diff --git a/.github/actions/setup-builder/action.yaml b/.github/actions/setup-builder/action.yaml
index 020f6068b5..6fa7164926 100644
--- a/.github/actions/setup-builder/action.yaml
+++ b/.github/actions/setup-builder/action.yaml
@@ -38,6 +38,8 @@ runs:
     - name: Install JDK ${{inputs.jdk-version}}
       uses: actions/setup-java@v4
       with:
+        # distribution is chosen to be zulu as it still offers JDK 8 with Silicon support, which
+        # is not available in the adopt distribution
         distribution: 'zulu'
         java-version: ${{inputs.jdk-version}}
 
diff --git a/.github/actions/setup-macos-builder/action.yaml b/.github/actions/setup-macos-builder/action.yaml
index 45c41f8ec6..24657206cb 100644
--- a/.github/actions/setup-macos-builder/action.yaml
+++ b/.github/actions/setup-macos-builder/action.yaml
@@ -53,6 +53,8 @@ runs:
     - name: Install JDK ${{inputs.jdk-version}}
       uses: actions/setup-java@v4
       with:
+        # distribution is chosen to be zulu as it still offers JDK 8 with Silicon support, which
+        # is not available in the adopt distribution
         distribution: 'zulu'
         java-version: ${{inputs.jdk-version}}
         architecture: ${{inputs.jdk-architecture}}