updated documentation

README.md

@@ -180,7 +180,7 @@ Match Register
 ### 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.