diff --git a/Configuration.md b/Configuration.md
index ca25b99..ff864fc 100644
--- a/Configuration.md
+++ b/Configuration.md
@@ -26,4 +26,5 @@ Available AUDIT Plugin system variables:
 
 **Notes:** 
 * When configuring boolean variables (enable/disable) in MySQL 5.1 via a configuration file (my.cnf) use 0/1 as values. For example: `audit_json_file=1`. There seems to be an issue with MySQL 5.1 where boolean configurations with `ON/OFF` values in my.cnf don't work.
+* The Audit Plugin will log all activity performed by the SQL thread of a slave server. To turn it off, whitelist the empty user by setting: `audit_whitelist_users='{}'`.
 * The above list may be incomplete. To view all available AUDIT system variables run: `mysqld --help --verbose`
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