added addProjects and addUser instance methods to documentation for belongs-to-many relationships

docs/docs/associations.md

@@ -154,7 +154,7 @@ This will create a new model called UserProject with with the equivalent foreign
 
 
 Defining `through` is required. Sequelize would previously attempt to autogenerate names but that would not always lead to the most logical setups.
 Defining `through` is required. Sequelize would previously attempt to autogenerate names but that would not always lead to the most logical setups.
 
 
-This will add methods `getUsers`, `setUsers`, `addUsers` to `Project`, and `getProjects`, `setProjects` and `addProject` to `User`.
+This will add methods `getUsers`, `setUsers`, `addUser`,`addUsers` to `Project`, and `getProjects`, `setProjects` and `addProject`, `addProjects` to `User`.
 
 
 Sometimes you may want to rename your models when using them in associations. Let's define users as workers and projects as tasks by using the alias (`as`) option. We will also manually define the foreign keys to use:
 Sometimes you may want to rename your models when using them in associations. Let's define users as workers and projects as tasks by using the alias (`as`) option. We will also manually define the foreign keys to use:
 ```js
 ```js