update execution

README.md

@@ -30,17 +30,21 @@ the commandline.
 
 
 ```
-Usage of ./taler-dashboard:
+Usage of taler-dashboard:
+  -fr duration
+    	update frequency (default 1m0s)
   -min string
     	minimum version we care for (default "0.9.3")
   -num int
-    	number of issues to retrieve at once (default 100)
+    	number of issues to retrieve at once (default 250)
   -port string
     	[ip]:port to serve (default ":8080")
+  -project int
+    	project id to use (default 23)
   -token string
     	API-Token (default "")
   -url string
-    	URL to the issues (default "https://bugs.gnunet.org/api/rest/issues")
+    	URL to the issues (default "https://bugs.gnunet.org/api/rest")
 ```
 
 **Note**: We assume that this service runs behind a reverse-proxy which deals