update README

README.md

 # IML Appmonitor Dashboard #
 
-Demo Dashboard for IML Appmonitor using the API to fetch data.
-It works offline without a webserver using the Javascript fetch() function.
+Demo of a custom Dashboard for IML Appmonitor using the API to fetch data. It works offline without a webserver using the Javascript fetch() function.
 
-The Dashboards reds the tags from the IML appmonitor and shows the application status of matching apps.
+The Dashboards reads the tags from the IML appmonitor. You can enable/ disable each existing tag. The application section shows the application status of matching apps. The view will be refreshed in the given interval.
 
 Author: Axel Hahn; Institute for Medical Education; University of Bern
 
@@ -37,7 +36,7 @@ Open the file `public_html/index.html` in your webbrowser.
 * "no response" error \
   --> your ip address is not whitelisted in the appmonitor api config.
 * Error 404 \
-  --> no application matches the given tag or tag combination.
+  --> no application matches the given tag or tag combination. Delete the tags with button [X] and try to start with a single tag.
 
 ## Screenshot ##