diff --git a/websurfx/config.lua b/websurfx/config.lua
index 0b33cc9..16c6146 100644
--- a/websurfx/config.lua
+++ b/websurfx/config.lua
@@ -16,6 +16,7 @@ rate_limiter = {
 	number_of_requests = 20, -- The number of request that are allowed within a provided time limit.
 	time_limit = 3, -- The time limit in which the quantity of requests that should be accepted.
 }
+-- Set whether the server will use an adaptive/dynamic HTTPS window size, see https://httpwg.org/specs/rfc9113.html#fc-principles
 https_adaptive_window_size = false
 
 number_of_https_connections = 10 -- the number of https connections that should be available in the connection pool.