diff --git a/settings.ini b/settings.ini
index a15c823..5f84442 100644
--- a/settings.ini
+++ b/settings.ini
@@ -58,6 +58,7 @@ api_hash=                       ; Application identifier hash for Telegram API a
 
 ;udp_reflector=true             ; True, if connection through UDP reflectors is supported.
 
+; Further DSP settings will have no effect if libtgvoip is compiled with TGVOIP_NO_DSP option.
 ;enable_aec=false               ; acoustic echo cancellation
 ;enable_ns=false                ; noise suppression
 ;enable_agc=false               ; automatic gain control
@@ -79,4 +80,4 @@ api_hash=                       ; Application identifier hash for Telegram API a
                                 ; then block all outgoing telegram requests for X more seconds than was
                                 ; requested by server
 
-;peer_flood_time=86400          ; Seconds to wait on PEER_FLOOD
+;peer_flood_time=86400          ; Seconds to wait on PEER_FLOOD
\ No newline at end of file