[DOC] option is "defer-accept", not "defer_accept"
diff --git a/doc/configuration.txt b/doc/configuration.txt
index 44e87da..fae5027 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -1142,7 +1142,7 @@
 bind [<address>]:<port> [, ...] transparent
 bind [<address>]:<port> [, ...] id <id>
 bind [<address>]:<port> [, ...] name <name>
-bind [<address>]:<port> [, ...] defer_accept
+bind [<address>]:<port> [, ...] defer-accept
   Define one or several listening addresses and/or ports in a frontend.
   May be used in sections :   defaults | frontend | listen | backend
                                   no   |    yes   |   yes  |   no