diff --git a/mediawiki/Dockerfile b/mediawiki/Dockerfile
index 90a98cb..ca0b69c 100644
--- a/mediawiki/Dockerfile
+++ b/mediawiki/Dockerfile
@@ -73,7 +73,7 @@ RUN tar -xvf CheckUser.tar.gz \
     && mv CheckUser /var/www/html/extensions/CheckUser \
     && rm CheckUser.tar.gz
 
-# Install composer (AWS S3 extension)
+# Install composer (AWS S3 & CheckUser extensions)
 RUN wget https://raw.githubusercontent.com/composer/getcomposer.org/76a7060ccb93902cd7576b67264ad91c8a2700e2/web/installer -O - -q | php -- --quiet \
     && mv composer.phar /usr/local/bin/composer