Update readme.md

Author: navkiran

algorithms/ImageProcessing/Nearest Neighbhor Interpolation/readme.md

@@ -1,5 +1,6 @@
 Used for resizing images. It assigns to each location the intensity of its nearest neighbor in original image. Refer [Gonzalez DIP Book](https://www.pearson.com/us/higher-education/program/Gonzalez-Digital-Image-Processing-4th-Edition/PGM241219.html) chapter 1.
 
-Basic algorithm is as follows... 
+Basic algorithm is as follows:
+
+*For every pixel in resized image, we find the coordinate mapping in original image and copy over the pixel intensity from         there to pixel in output image.*
 
-For every pixel in resized image, we find the coordinate mapping in original image and copy over the pixel intensity from         there to pixel in output image.