Update README.md

Author: bryanseah234

README.md

@@ -1,5 +1,5 @@
 # python-crash-code
-code to use up memory in python to slow down your device
+code to use up memory in python to slow down your device.
 
 <p align="left">
   <img src="https://www.python.org/static/community_logos/python-logo-master-v3-TM-flattened.png" />