Update README.md

Author: Avishake007

Body Detection/README.md

@@ -10,7 +10,7 @@ Detect your Body with this
 
 ## How it works
 -  First you have to enter the correct path where your video is located.
-- Then it will convert your video fram by frame into grayscale
+- Then it will convert your video frame by frame into grayscale
 - Then it will detect your Body using the fullbody cascade xml file
 - Then you could see green rectangle boxes appearing which is detecting your body