Update contrib guide

CONTRIBUTING.md

@@ -19,7 +19,7 @@
 
 # Configure the Drupal theme
 
-This is only necessary once at the beginning of the project and you should edit the file `composer.json` and especially look into the section `extra/theme-d8-sass/bower_assets`. The two sections `fonts` and `sass` initially contain all available assets. YOu certainly do **not** need them all. That's why you should remove those that you don't require and then call `composer update`. This will then update the theme and all assets making sure that everything stays consistent.
+This is only necessary once at the beginning of the project and you should edit the file `composer.json` and especially look into the section `extra/theme-d8-sass/bower_assets`. The two sections `fonts` and `sass` initially contain all available assets. YOu certainly do **not** need them all. That's why you should remove those that you don't require and then call `composer drupal-theme-update`. This will then update the theme and all assets making sure that everything stays consistent.
 
 You can also provide a new name to the theme in the composer.json file, this will then create a new directory and you can then delete the old one.
 

composer.json

@@ -109,8 +109,8 @@
     "drupal/videojs": "1.0",
     "drupal/xmlsitemap": "1.0.0-alpha2",
     "drush/drush": "~8.0",
-    "lakedrops/d8-project-scaffold": "^0.3.4",
-    "lakedrops/theme-d8-sass": "^0.4.0",
+    "lakedrops/d8-project-scaffold": "~0",
+    "lakedrops/theme-d8-sass": "~0",
     "oomphinc/composer-installers-extender": "^1.1.1"
   },
   "require-dev": {