@node Noise
-@section Noise
+@subsection Noise
-You may turn on @code{-noise} option, that forces to fill up all
-outgoing packets to their maximum (MTU) size. Without that option GoVPN
-provides confidentiality and authenticity of payload, but it's size
-leaks to the observer.
+So-called noise is used to hide underlying payload packets length.
+Without it GoVPN provides confidentiality and authenticity of messages,
+but not their timestamps of appearance and sizes.
-As it can be applied only to outgoing traffic, you should enable it on
-both sides in most cases.
+You may turn on @option{-noise} option, that forces to fill up all
+outgoing packets to their maximum (MTU) size. As it can be applied only
+to outgoing traffic, you should enable it on both sides in most cases.
-Pay attention that this can dramatically increase your traffic!
+Pay attention that this can dramatically @strong{increase} your traffic!
+It is turned off by default.