Update README.md

Author: Play3rZer0

README.md

@@ -3,7 +3,7 @@ Detecting faces in mages using Open CV and Haar Cascades.
 
 This requires Open CV, Python, Haar Cascades training data and suitable OS platform (Mac, Linux or Windows). For specific version please check vendor websites for the latest.
 
-I used Python 2.7.14 on a test machine running Windows 7 Professional (i3 2.1 GHz Arrandale)
+I used Python 2.7.14 on a test machine running Windows 7 Professional (i3 2.1 GHz Arrandale).
 To determine which version of Python you have installed, type the following on your terminal or command prompt:
 
 python --version