and another typo

Dockerfile.dist

@@ -23,9 +23,9 @@ RUN locale-gen en_US.UTF-8
 COPY commul-customization/default_locale /etc/default/locale
 RUN chmod 0755 /etc/default/locale
 
-ENV LC_ALL=en_CA.UTF-8
-ENV LANG=en_CA.UTF-8
-ENV LANGUAGE=en_CA.UTF-8
+ENV LC_ALL=en_US.UTF-8
+ENV LANG=en_US.UTF-8
+ENV LANGUAGE=en_US.UTF-8
 
 # build tomcat 8.0.35, version recommended by LINDAT
 RUN wget -O /tmp/apache-tomcat-8.0.35.tar.gz https://archive.apache.org/dist/tomcat/tomcat-8/v8.0.35/bin/apache-tomcat-8.0.35.tar.gz