ftpd: work around LIST -aXYZ too, not only LIST -lXYZ

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/networking/Config.in b/networking/Config.in
index 61e59b2..ce7166f 100644
--- a/networking/Config.in
+++ b/networking/Config.in
@@ -122,8 +122,8 @@
 	default y
 	depends on FTPD
 	help
-	  Some ftp-clients (among them KDE's Konqueror) issue illegal
-	  "LIST -la" requests. This option works around those problems.
+	  Some ftp clients (among them KDE's Konqueror) issue illegal
+	  "LIST -l" requests. This option works around such problems.
 	  It might prevent you from listing files starting with "-" and
 	  it increases the code size by ~40 bytes.
 	  Most other ftp servers seem to behave similar to this.