Update readme.txt

readme.txt

@@ -9,6 +9,8 @@ hal-??????.inria.fr
 
 Installation:
 
+1. download zip-file with HCS Toolbox 
+
 1. extract files to a folder "???/HCS_Toolbox" 
 
 2. add path to the folder in search path of MATLAB 
@@ -17,4 +19,4 @@ type "addpath('???/HCS_Toolbox')" in the Command Line of MATLAB,
 where ??? is full path to the folder)  
 
 3. type "HCS_toolbox" the Command Line of MATLAB to check if the toolbox is well installed 
-(to see the list of functions type "help HCS_toolbox" in the Command Line of MATLAB)
\ No newline at end of file
+(to see the list of functions type "help HCS_toolbox" in the Command Line of MATLAB)