diff --git a/Dockerfile b/Dockerfile
index c879c05..51b0437 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,7 +5,8 @@ RUN apt-get update && \
     apt-get install -qy \
         supervisor \
         libzmq5 \
-        # These dependencies are required by the bz2, readline, sqlite3 packages
+        # These dependencies are required to compile the bz2, readline, sqlite3
+        # Python packages
         libbz2-dev \
         libreadline-dev \
         libsqlite3-dev