change suggested in #444

Author: facontidavide

README.md

@@ -85,7 +85,7 @@ Please note that **Ubuntu 18.04 is not supported anymore in version 4.X**. Ubunt
 
 First, install the following dependencies (optional, but recommended):
 
-     sudo apt-get install libzmq3-dev libboost-dev libncurses5-dev libncursesw5-dev
+     sudo apt-get install libzmq3-dev libboost-coroutine-dev libncurses5-dev libncursesw5-dev
 
 To compile and install the library, from the BehaviorTree.CPP folder, execute: