diff --git a/doc/main.conf b/doc/main.conf
index 045a49ee..fe353a60 100644
--- a/doc/main.conf
+++ b/doc/main.conf
@@ -38,7 +38,7 @@ roam_rssi_threshold=-70
 # 1 - Set management frame protection capable (default)
 # 2 - Management frame protection required
 #
-# ManagementFrameProtection=1
+# management_frame_protection=1
 
 #
 # Enable/disable ANQP queries. The way IWD does ANQP queries is dependent on