Update README.md

Mohamed Sarwat · Mohamed Sarwat · commit 2e286d83c6fc · 2013-09-27T16:59:43.000-05:00
diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-﻿### Welcome to RecDB.
+﻿## Welcome to RecDB.
 An Open Source Recommendation Engine Built Entirely Inside PostgreSQL 9.2. RecDB allows application developers to build recommendation applications in a heartbeat through a wide variety of built-in recommendation algorithms like user-user collaborative filtering, item-item collaborative filtering, singular value decomposition. Applications powered by RecDB can produce online and flexible personalized recommendations to end-users. You can check out the code, as follows:
 
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`1`		`-### Welcome to RecDB.`
	`1`	`+## Welcome to RecDB.`
`2`	`2`	`An Open Source Recommendation Engine Built Entirely Inside PostgreSQL 9.2. RecDB allows application developers to build recommendation applications in a heartbeat through a wide variety of built-in recommendation algorithms like user-user collaborative filtering, item-item collaborative filtering, singular value decomposition. Applications powered by RecDB can produce online and flexible personalized recommendations to end-users. You can check out the code, as follows:`
`3`	`3`
`4`	`4`	```