format database

README.md

@@ -1,7 +1,7 @@
 # Contents
 
 | # | Lecture                                                                   | Slides                                                                     |
-|:------|:-----|:------|
+|:--|:--------------------------------------------------------------------------|:---------------------------------------------------------------------------|
 | 1 | [Introduction to ASP.NET](1-aspnet-introduction.md)                       | [Download slides](1-aspnet-introduction-slides.html?raw=1)                 |
 | 2 | [Controllers and HTTP responses](2-controllers-and-http-responses.md)     | [Download slides](2-controllers-and-http-responses-slides.html?raw=1)      |
 | 3 | [MVP Pattern and Repositories](3-mvc-pattern-and-repositories.md)         | [Download slides](3-mvc-pattern-and-repositories-slides.html?raw=1)        |