Fix broken SQL link in Scaling AWS exercise (#258)

Fix broken SQL link in Scaling AWS exercise

Fix broken SQL link in Scaling AWS exercise (#258)
Fix broken SQL link in Scaling AWS exercise
fda859e4 · Sean Han · Donne Martin · 82d80a08 · fda859e4
Commit fda859e4 authored Mar 17, 2019 by Sean Han Committed by Donne Martin Mar 17, 2019
--- a/solutions/system_design/scaling_aws/README.md
+++ b/solutions/system_design/scaling_aws/README.md
@@ -83,7 +83,7 @@ Handy conversion guide:
 * **Web server** on EC2
    * Storage for user data
-    * [**MySQL Database**](https://github.com/donnemartin/system-design-primer#sql)
+    * [**MySQL Database**](https://github.com/donnemartin/system-design-primer#relational-database-management-system-rdbms)
 Use **Vertical Scaling**: