diff --git a/core/lib/src/config/mod.rs b/core/lib/src/config/mod.rs
index 0fff9d13..b2bbf572 100644
--- a/core/lib/src/config/mod.rs
+++ b/core/lib/src/config/mod.rs
@@ -41,8 +41,8 @@
 //!   * **keep_alive**: _[integer, 'false', or 'none']_ timeout, in seconds, for
 //!     HTTP keep-alive. disabled on 'false' or 'none'
 //!     * examples: `5`, `60`, `false`, `"none"`
-//!   * **log**: _[string]_ how much information to log; one of `"normal"`,
-//!     `"debug"`, or `"critical"`
+//!   * **log**: _[string]_ how much information to log; one of `"off"`,
+//!     `"normal"`, `"debug"`, or `"critical"`
 //!   * **secret_key**: _[string]_ a 256-bit base64 encoded string (44
 //!     characters) to use as the secret key
 //!     * example: `"8Xui8SN4mI+7egV/9dlfYYLGQJeEx4+DwmSQLwDVXJg="`