diff --git a/README b/README
index 23ef8a8328..f5409f736f 100644
--- a/README
+++ b/README
@@ -74,7 +74,7 @@ BIND 9.11.0
 	- "dig +ttlunits" causes dig to print TTL values with time-unit
 	  suffixes: w, d, h, m, s for weeks, days, hours, minutes, and
 	  seconds.
-	- "serial-update-format" can now be set to "date". On update,
+	- "serial-update-method" can now be set to "date". On update,
 	  the serial number will be set to the current date in YYYYMMDDNN
 	  format.
 	- "dnssec-signzone -N date" sets the serial number to YYYYMMDDNN.