Add concrete usage to readme

README.md

@@ -3,7 +3,7 @@
 ### Digital signature and timestamp for exams in ILIAS 4.4 ###
 
 This plugin will add a digital signature to the PDF generated after exams, if the corresponding flag in the testoptions is set.
-It uses the free DFN-timestamp-service and the RFC-3161 standard („Internet X.509 Public Key Infrastructure Time-Stamp Protocol (TSP)“).
+It uses the free DFN-timestamp-service with the RFC-3161 standard („Internet X.509 Public Key Infrastructure Time-Stamp Protocol (TSP)“).
 
 ### Usage ###
 
@@ -15,14 +15,19 @@ and activate it in the ILIAS-Admin-GUI.
 Upload a certificate. For testing create your own certificate e.g. with the Java Keytool:
 * keytool -genkey -keyalg RSA -alias selfsigned -keystore key.keystore -storepass password -validity 360 -keysize 2048
 
+Before the test, activate:
+* Enable Archiving
+* Digitally sign test submissions
+
+After the test create the export "Test Archive File". The signed PDFs will be stored inside.
 
 ### Build ###
 
 The Repo contains
 * the main files for the signPDF.jar at /SignPdf
-* the general plugincode for ILIAS as /signatureRFC3161
+* the general plugincode for ILIAS at /signatureRFC3161
 
-The .jar has to be stored in /plugin/resources for the plugin to work.
+The .jar has to be stored in /signatureRFC3161/resources for the plugin to work.
 
 
 ### Credits ###