Review install shell script.

bin/clone_courses.sh

@@ -3,11 +3,13 @@
 COURSES_DIR="user/pages"
 BACKUP="${COURSES_DIR}.$(date +%F_%R)"
 
-# make sure we're at project root
+
+# Make sure we're at project root
 cd "$(dirname "$(realpath "$0")")";
 cd ..
 
-echo -e "Creating backup of pages in ${BACKUP}"
+
+echo -e "Creating a backup of pages in ${BACKUP}…"
 mv ${COURSES_DIR} ${BACKUP}
 
 
@@ -16,4 +18,5 @@ git submodule update --init --recursive
 git submodule foreach git checkout master
 git submodule foreach git pull origin master
 
+
 echo -e "Done!"