changes as per discussion in #25 (review)

app/src/toc/firefly_toc.js

@@ -285,7 +285,7 @@ const toc_catalogs = {
         },
         {
             id: 'catalogs.nedcatalogs',
-            title: 'NED Catalogs',
+            title: 'NED Objects',
             href: 'firefly/catalogs.html#nedcatalogs',
         },
         {

html/firefly/catalogs.html

@@ -27,7 +27,7 @@ <h3><a name="catalogs">Catalogs</A></h3>
 <em>Contents of page/chapter:</em><br>
 +<A href="#irsacatalogs">IRSA Catalogs</A> -- Overlaying catalogs
 from IRSA<br>
-+<A href="#nedcatalogs">NED Catalogs</A> <br>
++<A href="#nedcatalogs">NED Objects</A> <br>
 +<A href="#owncatalogs">Catalogs from Disk</A> <br>
 +<A href="#votap">VO TAP Search</A><br>
 +<A href="#voscs">VO SCS Search</A> <br>
@@ -213,15 +213,15 @@ <h3><a name="irsacatalogs"><a name="catalogs">IRSA Catalogs</A></A></h3>
 </ul><P>
 
 
-<h3><A name="nedcatalogs">NED Catalogs</A> -- Overlaying
-catalogs obtained from NED</h3>
+<h3><A name="nedcatalogs">NED Objects</A> -- Overlaying
+objects obtained from NED</h3>
 
 (NED= <A href="http://ned.ipac.caltech.edu/" target="_blank">NASA
 Extragalactic Database <img src="img/jumpout.jpg" height="10"></A>.)<P>
 
 By clicking on the blue "Catalogs" tab, you are by default dropped
 into the interface for searching for catalogs at IRSA. However, you
-can pick another tab, "NED", to search for and load a catalog from
+can pick another tab, "NED", to search for and load objects from
 NED.<P>
 
 <img src="img/nedcat.png" width="75%"><P>