diff --git a/Microphone-Transceiver.md b/Microphone-Transceiver.md
index 334deb2..271dff4 100644
--- a/Microphone-Transceiver.md
+++ b/Microphone-Transceiver.md
@@ -1,5 +1,5 @@
 Checking Portapack-Havoc repository , we can see , that this excellent app was developped by Furrtek in 2017 : 
-* "Microphone FM transmit with CTCSS",   providing support to Narrow Band FM Transmitter + CTCSS  & Receiver in Half Duplex operation, like a walkie-talkie (two-way directional voice communication but one at a time). 
+* "**Microphone FM transmit with CTCSS**",   providing support to Narrow Band FM Transmitter + CTCSS  & Receiver in Half Duplex operation, like a walkie-talkie (two-way directional voice communication but one at a time). 
 
 Later on , thanks to many other great sw developpers , gradually it has been added many more nice functionalities (VOX control, Roger Beep,...) ,and improving it day by day ... 
 And from Sept -2020, it was added the support of multi  analogue mic  Modulation types in half duplex TX / RX, highly appreciated in all ham amateur radio community ,  and widely used in LF, HF , VHF, 2m band ,  maritime communications , UHF PMR446,...