fix readme example code to print instruction cache instead of data cache for the second time, also remove unecessary fmt.Sprintf (#91)

Author: IbrahimFadel

README.md

@@ -39,10 +39,10 @@ func main() {
 	fmt.Println("ThreadsPerCore:", CPU.ThreadsPerCore)
 	fmt.Println("LogicalCores:", CPU.LogicalCores)
 	fmt.Println("Family", CPU.Family, "Model:", CPU.Model, "Vendor ID:", CPU.VendorID)
-	fmt.Println("Features:", fmt.Sprintf(strings.Join(CPU.FeatureSet(), ",")))
+	fmt.Println("Features:", strings.Join(CPU.FeatureSet(), ","))
 	fmt.Println("Cacheline bytes:", CPU.CacheLine)
 	fmt.Println("L1 Data Cache:", CPU.Cache.L1D, "bytes")
-	fmt.Println("L1 Instruction Cache:", CPU.Cache.L1D, "bytes")
+	fmt.Println("L1 Instruction Cache:", CPU.Cache.L1I, "bytes")
 	fmt.Println("L2 Cache:", CPU.Cache.L2, "bytes")
 	fmt.Println("L3 Cache:", CPU.Cache.L3, "bytes")
 	fmt.Println("Frequency", CPU.Hz, "hz")