Update README.md

Author: JonathanMagnan

README.md

@@ -49,8 +49,7 @@ _Minimum Requirements_
 - SQL 2012
 - .NET Framework 4.0
 
-## Main Features
-#### SQL Server Eval
+## SQL Server Eval
 Dynamically evaluate arithmetic operation and expression in SQL
 
 ```sql
@@ -86,7 +85,7 @@ EXEC Select_Switch 4, 2, 3
 
 **[Learn more](https://github.com/zzzprojects/Eval-SQL.NET/wiki/SQL-Server-Eval-%7C-Dynamically-evaluate-arithmetic-operation-and-expression-in-SQL)**
 
-#### SQL Server Regex
+## SQL Server Regex
 Use regular expression to search, replace and split text in SQL
 
 ```sql
@@ -115,7 +114,7 @@ SELECT * FROM dbo.fn_Split('1, 2, 3; 4; 5', ',|;')
 
 **[Learn more]https://github.com/zzzprojects/Eval-SQL.NET/wiki/SQL-Server-Regex-%7C-Use-regular-expression-to-search,-replace-and-split-text-in-SQL)**
 
-#### SQL Server File Operation 
+## SQL Server File Operation 
 xp_cmdshell alternative to read and write files in SQL
 
 ```sql