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				@@ -2,7 +2,7 @@ 
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				    1. install `"Arduino Software IDE"` for your preferred operating system  
 
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				 `https://www.arduino.cc -> Software->Downloads`  
 
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				-it is recommended to use older version `"1.6.9"`, as it is used on out build server to produce offitial builds.  
 
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				+it is recommended to use older version `"1.6.9"`, as it is used on out build server to produce official builds.  
 
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				 _note: in the case of persistent compilation problems, check the version of the currently used C/C++ compiler (GCC) - should be `4.8.1`; version can be verified by entering the command  
 
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				 `avr-gcc --version`  
 
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				 if you are not sure where the file is placed (depends on how `"Arduino Software IDE"` was installed), you can use the search feature within the file system_  
 
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