docs(dialect-specific-things): fix typo (#13081)

docs/manual/other-topics/dialect-specific-things.md

@@ -83,7 +83,7 @@ You can provide custom options to it using `dialectOptions.options` in the Seque
 
 
 ```js
 ```js
 const sequelize = new Sequelize('database', 'username', 'password', {
 const sequelize = new Sequelize('database', 'username', 'password', {
-  dialect: 'postgres',
+  dialect: 'mssql',
   dialectOptions: {
   dialectOptions: {
     // Observe the need for this nested `options` field for MSSQL
     // Observe the need for this nested `options` field for MSSQL
     options: {
     options: {
@@ -215,4 +215,4 @@ Person.init({ /* attributes */ }, {
 })
 })
 ```
 ```
 
 
-The comment will be set when calling `sync()`.
+The comment will be set when calling `sync()`.
\ No newline at end of file