diff --git a/base-config.yaml b/base-config.yaml
index 472f72a..5ddddb4 100755
--- a/base-config.yaml
+++ b/base-config.yaml
@@ -194,4 +194,4 @@ verification_message: |
 # Base URL for Matrix permalink generation.
 # This is used for placeholders such as {user_link} and {room_link}.
 # Set this to your own matrix.to-compatible instance if you do not want to use https://matrix.to.
-matrix_to_base_url: "https://matrix.to"
+matrix_to_base_url: 'https://matrix.to'