diff --git a/tests/Dockerfile b/tests/Dockerfile
index 2932c33..c4d2953 100644
--- a/tests/Dockerfile
+++ b/tests/Dockerfile
@@ -5,7 +5,7 @@ RUN mkdir -p /home/anki-user/Documents/Anki/addons
 COPY AnkiConnect.py /home/anki-user/Documents/Anki/addons
 
 # Required if you want to access it from another IP address.
-# RUN sed -i 's/127.0.0.1/0.0.0.0/' /home/anki-user/Documents/Anki/addons/AnkiConnect.py 
+# RUN sed -i 's/127.0.0.1/0.0.0.0/' /home/anki-user/Documents/Anki/addons/AnkiConnect.py
 
 COPY tests/prefs.db /home/anki-user/Documents/Anki/prefs.db