Update README.md

Author: suresh-srivastava

README.md

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 # Data Structures and Algorithms (DSA) In Java
 
-This  repository is for the students of book [Data Structures and Algorithms In Java](http://coursegalaxy.com/) and online courses available on CourseGalaxy. It contains the source code of all the programs used in the book and courses.
+This  repository is for the students of book [Data Structures and Algorithms In Java](http://coursegalaxy.com/course/data-structures-algorithms-java.html) and online courses available on CourseGalaxy. It contains the source code of all the programs used in the book and courses.
 
 ### About the DSA Masterclass Courses
  * Thoroughly detailed courses with complete working programs