README: Update information about wpa_supplicant configuration

diff --git a/README b/README
index bfb246a..161c535 100644 (file)
--- a/README
+++ b/README
@@ -274,14 +274,21 @@ CONFIG_WPS=y
 CONFIG_AP=y
 CONFIG_CTRL_IFACE_DBUS_NEW=y
 
-and, add:
+add:
 
 CONFIG_BGSCAN_SIMPLE=y
 
 This last option will enable the support of background scanning while being
 connected, which is necessary when roaming on wifi.
 
-It is recommended to use wpa_supplicant 0.8.x or 1.x or later.
+and finally:
+
+CONFIG_AUTOSCAN_EXPONENTIAL=y
+
+This will enable the exact same function as bgscan but while being
+disconnected.
+
+It is recommended to use wpa_supplicant 1.x or later.
 
 
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