Fix broken link to database design book (#3478)

The original link was to a site that is no longer up. The book is now hosted on a different site, so changed link to that.
reduxjs · Jul 21, 2019 · b6e1586 · b6e1586
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commit b6e1586
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/recipes/structuring-reducers/PrerequisiteConcepts.md b/docs/recipes/structuring-reducers/PrerequisiteConcepts.md
@@ -94,5 +94,5 @@ Because of these rules, it's important that the following core concepts are full
 - [Redux Without Profanity: Normalizr](https://tonyhb.gitbooks.io/redux-without-profanity/content/normalizer.html)
 - [Querying a Redux Store](https://medium.com/@adamrackis/querying-a-redux-store-37db8c7f3b0f)
 - [Wikipedia: Associative Entity](https://en.wikipedia.org/wiki/Associative_entity)
-- [Database Design: Many-to-Many](http://www.tomjewett.com/dbdesign/dbdesign.php?page=manymany.php)
+- [Database Design: Many-to-Many](http://web.csulb.edu/colleges/coe/cecs/dbdesign/dbdesign.php?page=manymany.php)
 - [Avoiding Accidental Complexity When Structuring Your App State](https://medium.com/@talkol/avoiding-accidental-complexity-when-structuring-your-app-state-6e6d22ad5e2a)