diff --git a/Mar7.java b/Longest repeating and non-overlapping substring
similarity index 96%
rename from Mar7.java
rename to Longest repeating and non-overlapping substring
index fee7084..5d6b90d 100644
--- a/Mar7.java
+++ b/Longest repeating and non-overlapping substring	
@@ -55,4 +55,4 @@ static String longestSubstring(String s, int n) {
       
       return ans.toString();
   }
-};
\ No newline at end of file
+};