Update README.md

Author: selcuko

README.md

@@ -8,13 +8,14 @@ RepetitiveTimer module is wrapper for threading.Thread, makes it easy to initial
 ### Usage
 ```python
 import threading, time
+from RepetitiveTimer.RepetitiveTimer import RepetitiveTimer
 
 def poo():
     print("Timer ticked.")
 
 stopper = threading.Event()
-timer = RepetitiveTimer(func=poo, interval=.5, stopper)
+timer = RepetitiveTimer(poo, .5, stopper) # function, interval (seconds), stopper flag
 timer.run()   # To start timer
 time.sleep(10)
 stopper.set() # To stop timer
-```
+```