Bug#1100187 Capitalised the word 'Institutions'

I have capitalised the word 'Institutions' under
'Manage Institutions' on the /admin/ page.

Change-Id: I63bef8ee9da2e43fb960c2599d2f7ca890b01888
Signed-off-by: bonnie <kurousagiwasugoi@gmail.com>

htdocs/theme/raw/templates/admin/index.tpl

@@ -105,7 +105,7 @@
 
 <h3>{str tag=manageinstitutions section=admin}</h3>
     <ul>
-        <li><strong><a href="{$WWWROOT}admin/users/institutions.php">{str tag=institutions section=admin}</a></strong> - {str tag=institutionsdescription section=admin}</li>
+        <li><strong><a href="{$WWWROOT}admin/users/institutions.php">{str tag=Institutions section=admin}</a></strong> - {str tag=institutionsdescription section=admin}</li>
         <li><strong><a href="{$WWWROOT}admin/users/institutionusers.php">{str tag=institutionmembers section=admin}</a></strong> - {str tag=institutionmembersdescription section=admin}</li>
         <li><strong><a href="{$WWWROOT}admin/users/institutionstaff.php">{str tag=institutionstaff section=admin}</a></strong> - {str tag=institutionstaffdescription section=admin}</li>
         <li><strong><a href="{$WWWROOT}admin/users/institutionadmins.php">{str tag=institutionadmins section=admin}</a></strong> - {str tag=institutionadminsdescription section=admin}</li>