Update HashCode&EqualsContract.md

Author: Deepak Malik

src/com/deepak/data/structures/Hashing/HashCode&EqualsContract.md

@@ -104,10 +104,12 @@ This time it will be unique elements printed.
 Complete implementation of this program is [here](../Hashing/HashCodeAndEquals.java)
 
 #### Important things to remember
-	* Always use same attributes of an object to generate hashCode() and equals() both.
-	* Whenever a.equals(b), then a.hashCode() must be same as b.hashCode().
-	* If you override one, then you should override the other.
-	* In case of ORM ensure you use getters and not field references.
+```
+- Always use same attributes of an object to generate hashCode() and equals() both.
+- Whenever a.equals(b), then a.hashCode() must be same as b.hashCode().
+- If you override one, then you should override the other.
+- In case of ORM ensure you use getters and not field references.
+```
 
 Here is a nice article about it, 
-[HashCode and Equals](http://www.javaranch.com/journal/2002/10/equalhash.html)	
+[HashCode and Equals](http://www.javaranch.com/journal/2002/10/equalhash.html)