diff --git a/README.md b/README.md
index dbed8f8..28bbe3c 100644
--- a/README.md
+++ b/README.md
@@ -44,6 +44,9 @@ whitelist-path = "$(XDG_CONFIG_HOME)/qutebrowser/whitelists/cookies"
 webengine-path = "$(XDG_DATA_HOME)/qutebrowser/webengine"
 ```
 
+If you want a different location for the configuration file, you can change it
+using the `--config` command line option.
+
 ## Usage
 
 Create an empty whitelist file and write the domains of the
@@ -55,6 +58,7 @@ example.com
 ```
 
 Run `bisc` to delete all non-whitelisted data from qutebrowser.
+Run `bisc --dry-run` to see what would be deleted without actually doing it.
 
 Note that running bisc while the browser is open is not safe: this means it
 could possibly **corrupt** the databases. Hoever, corruption in the sqllite