diff --git a/include/setcpu.h b/include/setcpu.h
index 21b346c..009e9d4 100644
--- a/include/setcpu.h
+++ b/include/setcpu.h
@@ -1,5 +1,8 @@
 // void setCPU(){};
 
+/*  this function's Incoming arguments are a pointer to the CPU class
+    "CPU *pCPU" and the new mainclock speed
+*/
 void setCPU(CPU *pCPU, float mmainclock) {
   cout << "Coming from the setCPU function in setcpu.h" << endl;