update week 3 content

unmeshvrije · unmeshvrije · commit a2a1be1130d2 · 2018-12-17T02:18:48.000+01:00
diff --git a/Week3/README.md b/Week3/README.md
@@ -23,7 +23,7 @@ Also, please read the following page that explains database foreign keys.
 Database Design following normal forms as a convention.
 These normal forms build incrementally.
 E.g. The database is in 3NF if it is already in 2NF and satisfied the
-rules for 3rd normal form.
+rules for 3rd normal form. Read [here] (https://www.studytonight.com/dbms/database-normalization.php) for more details.
 
 #### 1NF (4 rules)
 * Rule 1 : Single valued attributes (each column should have atomic value, no multiple values)
