Fixed a parse error

library.org

@@ -247,7 +247,7 @@ This handles git as needed, by first checking to see if the first argument is ~i
 #+Name: add-book
 #+BEGIN_SRC sh
   function add-single {
-      if [[ $# -lt 7]] ; then
+      if [[ $# -lt 7 ]] ; then
       echo -n "Title: "
       read TITLE
       echo -n "Author: "