Update README.md

Author: NeuroFan

README.md

@@ -27,7 +27,7 @@ An excerpt from our paper:
       arguments for flexible designs. 
 
 
-Reference 
+*Reference* 
 
 [1] M. Safarpour, I. Hautala and O. Silvén, "An Embedded Programmable Processor for Compressive Sensing Applications," 2018 IEEE Nordic Circuits and Systems Conference (NORCAS): NORCHIP and International Symposium of System-on-Chip (SoC), Tallinn, Estonia, 2018, pp. 1-5.