diff --git a/README.md b/README.md
index e2a3aa0..e271f9e 100644
--- a/README.md
+++ b/README.md
@@ -20,4 +20,8 @@ Upon connecting the stm32 to a PC using USB it will register itself as a new Ser
 
 - `L[number]\n` or `R[number]\n` will activate an attenuator in either the left or the right channel. [number] is once again in dB. It works much like the `G`-command. Setting [number] to 0 will deactivate the Attenuation.
 
+- `B[number]\n` or `T[number]\n` adds **B**ass or **T**reble gain to the output
 
+- `M[0/1]\n` will either mute or unmute the output
+
+- `S[0/1]\n` will connect all inputs to the output