diff --git a/README.md b/README.md
index 617742c2..8aa5cfb2 100644
--- a/README.md
+++ b/README.md
@@ -105,6 +105,12 @@ usage: signal-cli [-h] [-v] [--config CONFIG] [-u USERNAME | --dbus | --dbus-sys
 
           signal-cli -u USERNAME trust -a NUMBER
 
+* Set configuration directory
+
+          signal-cli --config=/home/other_user/.config/signal
+
+        This is particularily useful in the case, when you would like to run the signal-cli tool as a different user as the one, that was used to register the account. You should make sure, that the caller has full read/write access to the given directory.
+        
 ## DBus service
 
 signal-cli can run in daemon mode and provides an experimental dbus interface.