Update connector-azure-database-for-mysql.md (Typo "Single server"→" Single Server")

https://github.com/MicrosoftDocs/azure-docs/blob/main/articles/data-factory/connector-azure-database-for-mysql.md
#PingMSFTDocs

Author: hyoshioka0128

articles/data-factory/connector-azure-database-for-mysql.md

@@ -26,7 +26,7 @@ This connector is specialized for
 
 This quickstart requires the following resources and configuration mentioned below as a starting point:
 
-- An existing Azure database for MySQL Single server or MySQL Flexible Server with public access or private endpoint. 
+- An existing Azure Database for MySQL Single Server or MySQL Flexible Server with public access or private endpoint. 
 - Enable **Allow public access from any Azure service within Azure to this server** in networking page of the MySQL server . This will allow you to use Data factory studio.
 
 ## Supported capabilities