Update administration.rst

Correct grammatical error as it relates to the 'Jobs' section of the documentation.

Author: alvindera97

docs/source/administration.rst

@@ -82,7 +82,7 @@ Release Files have a checkbox named 'Download button' that determines which bina
 Jobs
 ----
 
-The jobs application is using to display Python jobs on the site. The data items should be fairly self explanatory. There are a couple of things to keep in mind. Logged in users of the site can submit jobs for review.
+The jobs application is used to display Python jobs on the site. The data items should be fairly self explanatory. There are a couple of things to keep in mind. Logged in users of the site can submit jobs for review.
 
 :Status: Jobs enter the system in 'review' status after the submitter has entered them. Only jobs in the 'approved' state are displayed on the site.
 :Featured: Featured jobs are displayed more prominently on the landing page.