The package name com.azure.identity.extensions should be in lowercase.

Author: galiacheng

articles/service-connector/includes/code-postgres-me-id.md

@@ -75,7 +75,7 @@ using (var connection = new NpgsqlConnection(connectionString))
     import java.sql.*;
 
     String url = System.getenv("AZURE_POSTGRESQL_CONNECTIONSTRING");
-    String pluginName = "com.Azure.identity.extensions.jdbc.postgresql.AzurePostgresqlAuthenticationPlugin";  
+    String pluginName = "com.azure.identity.extensions.jdbc.postgresql.AzurePostgresqlAuthenticationPlugin";  
     Connection connection = DriverManager.getConnection(url + "&authenticationPluginClassName=" + pluginName);
     ```