Merge pull request #1510 from cknuepfer/patch-1

provide link to "Options" in glossary

Author: bkmgit

episodes/02-filedir.md

@@ -916,7 +916,7 @@ and we will see it in many other tools as we go on.
 
 
 [Arguments]: https://swcarpentry.github.io/shell-novice/reference.html#argument
-
+[Options]: https://swcarpentry.github.io/shell-novice/reference.html#option
 
 :::::::::::::::::::::::::::::::::::::::: keypoints