diff --git a/web/Dockerfile b/web/Dockerfile
index 3f6f382..2755e0f 100644
--- a/web/Dockerfile
+++ b/web/Dockerfile
@@ -33,7 +33,8 @@ RUN set -ex \
 
 WORKDIR /opt/mailman-web
 
-# Expose port 8000 for uwsgi and port 8080 for http
+# Expose port 8000 for http and port 8080 for uwsgi
+# (see web/mailman-web/uwsgi.ini#L2-L4)
 EXPOSE 8000 8080
 
 # Use stop signal for uwsgi server
diff --git a/web/Dockerfile.dev b/web/Dockerfile.dev
index 7607bd6..ad8be8a 100644
--- a/web/Dockerfile.dev
+++ b/web/Dockerfile.dev
@@ -38,7 +38,8 @@ RUN set -ex \
 
 WORKDIR /opt/mailman-web
 
-# Expose port 8000 for uwsgi and port 8080 for http
+# Expose port 8000 for http and port 8080 for uwsgi
+# (see web/mailman-web/uwsgi.ini#L2-L4)
 EXPOSE 8000 8080
 
 # Use stop signal for uwsgi server