Incorporate code review suggestions

Author: kinkie

src/cf.data.pre

@@ -2308,10 +2308,8 @@ DOC_START
 			Squid, and treat them as unencrypted HTTP messages,
 			becoming the man-in-the-middle.
 
-			The ssl_bump configuration option is required to fully enable
-			bumping of CONNECT requests.
-			Enabling this option requires also specifying either
-			tproxy or intercept
+			This option is essentially ignored (with a WARNING message)
+            unless configuration also has ssl_bump directive(s).
 
 	Omitting the mode flag causes default forward proxy mode to be used.