Update README.md

Author: PaulWangCS

README.md

@@ -1,6 +1,6 @@
-# AlzKB
+# AlzKB (http://alzkb.ai/)
 
-A knowledge base for AI research in Alzheimer Disease, based on graph databases.
+A knowledge base for AI research in Alzheimer Disease, based on graph databases. 
 
 ### Authors
 
@@ -102,4 +102,4 @@ $ alzkb install
 ```
 
 After this, check the Neo4j database (which will now be turned on) and make sure
-everything looks alright.
+everything looks alright.