diff --git a/README.md b/README.md
index d8aa774..1d9ce68 100644
--- a/README.md
+++ b/README.md
@@ -7,11 +7,12 @@ Current support:
 
 ## compile and install
 
-This application uses libftdi1, so this library must be installed (and,
+This application uses **libftdi1**, so this library must be installed (and,
 depending of the distribution, headers too)
 ```bash
 apt-get install libftdi1-2 libftdi1-dev libftdipp1-3 libftdipp1-dev
 ```
+and if not already done, install **pkg-config**, **make** and **g++**.
 
 To build the app:
 ```bash