updated documentation

README.md

@@ -70,7 +70,7 @@ Direction Register; One bit per pin 1: output, 0: input
 
 ### Interrupt Flags
 
-The wrapped IP provides four registers to deal with interrupts: IM, RIS, MIS and IC. These registers exist for all wrapper types generated by the [IP_Utilities](https://github.com/shalan/IP_Utilities) `amba_wrap.py` utility. 
+The wrapped IP provides four registers to deal with interrupts: IM, RIS, MIS and IC. These registers exist for all wrapper types generated by the [BusWrap](https://github.com/efabless/BusWrap/tree/main) `bus_wrap.py` utility. 
 
 Each register has a group of bits for the interrupt sources/flags.
 - `IM`: is used to enable/disable inetrrupt sources.