fix comments

Author: jpraet

models/repo.go

@@ -593,7 +593,7 @@ func (repo *Repository) getReviewers(e Engine, doerID, posterID int64) ([]*User,
 	}
 
 	// This is a "public" repository:
-	// Any user that has write access, is a watcher or organization member can be requested to review
+	// Any user that has read access, is a watcher or organization member can be requested to review
 	if err := e.
 		SQL("SELECT * FROM `user` WHERE id IN ( "+
 			"SELECT user_id FROM `access` WHERE repo_id = ? AND mode >= ? "+
@@ -615,7 +615,7 @@ func (repo *Repository) getReviewers(e Engine, doerID, posterID int64) ([]*User,
 
 // GetReviewers get all users can be requested to review:
 // * for private repositories this returns all users that have read access or higher to the repository.
-// * for public repositories this returns all users that have write access or higher to the repository,
+// * for public repositories this returns all users that have read access or higher to the repository,
 // all repo watchers and all organization members.
 // TODO: may be we should hava a busy choice for users to block review request to them.
 func (repo *Repository) GetReviewers(doerID, posterID int64) ([]*User, error) {