Update auto-erzeugter Manpages.

Change-Id: Iff30c40e141bb8f9b1f82e4763272504881375fc
diff --git a/doc/props-liste b/doc/props-liste
index 745a671..d62564f 100644
--- a/doc/props-liste
+++ b/doc/props-liste
@@ -796,6 +796,8 @@
 
 * P_TEAM_WIMPY_ROW
 
+* P_TELNET_KEEPALIVE_DELAY
+
 * P_TELNET_RTTIME
 
 * P_TESTPLAYER