diff --git a/README.md b/README.md
index 2b1653d..1dffdc8 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,17 @@
 
 or LSF Served Fabulously
 
+Options:                    
+  -c, --session-cache-dir   path to where the session tokens are cached (default "/Users/agent/Library/Caches/go-lsf/sessions")
+  -u, --username            username to login with
+                            
+Commands:                   
+  grades                    view your grades
+
+If you log into lsf using this tool, the session will be cached, so further logins in the near future won't require a new password prompt or login. The session will expire after a few minutes though, even if kept active!
+
+If you want to run this tool completely noninteractively, create `$HOME/.config/lsfshuttefuckup/credentials` with mod `600` and the contents: `password=mega soopa doopa keewl`. Add nothing else to that file, just this line.
+
 ## TODO
 
 - documentation