Bug 2988: Updated documentation of TCP keepalive

diff --git a/src/cf.data.pre b/src/cf.data.pre
index 57dba6a57a6384f115bee14ef83d67a82d48303b..cd16b06a70ed3bc0eca8410534212950fdd46521 100644 (file)
--- a/src/cf.data.pre
+++ b/src/cf.data.pre
@@ -1177,9 +1177,9 @@ DOC_START
                        the port specification (port or addr:port)
 
           tcpkeepalive[=idle,interval,timeout]
-                       Enable TCP keepalive probes of idle connections
-                       idle is the initial time before TCP starts probing
-                       the connection, interval how often to probe, and
+                       Enable TCP keepalive probes of idle connections.
+                       In seconds; idle is the initial time before TCP starts
+                       probing the connection, interval how often to probe, and
                        timeout the time before giving up.
 
        If you run Squid on a dual-homed machine with an internal