diff --git a/.DS_Store b/.DS_Store
index 5e16864..7be36f1 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/gitea/.DS_Store b/gitea/.DS_Store
new file mode 100644
index 0000000..3844a2d
Binary files /dev/null and b/gitea/.DS_Store differ
diff --git a/gitea/custom/.DS_Store b/gitea/custom/.DS_Store
new file mode 100644
index 0000000..97a01c3
Binary files /dev/null and b/gitea/custom/.DS_Store differ
diff --git a/terraform/install.sh b/terraform/install.sh
index 49dacad..58c8f35 100755
--- a/terraform/install.sh
+++ b/terraform/install.sh
@@ -5,7 +5,7 @@ amazon-linux-extras install docker ansible2 python3.8 -y
 # Make Docker work.
 systemctl enable docker
 systemctl start docker
-sudo usermod -a -G docker ssm-user
+sudo usermod -aG docker ssm-user
 
 # Set up the correct version of Python (for Ansible).
 ln -sf /usr/bin/python3.8 /usr/bin/python3