update doc

.fusio.yml

@@ -1,8 +1,10 @@
-# This deploy configuration contains all routes, schemas and connections of the
-# app in simple configuration files which you cna then deploy through the following command:
+# This deploy configuration contains all routes, schemas and connections of the app in simple
+# configuration files which you can then deploy through the following command:
 # > php bin/fusio deploy
-# To see an example howto use the deployment please take a look at our repository:
-# https://github.com/apioo/fusio-sample-cms
+# Through this you can basically persist your API configuration in simple configuration
+# files under GIT and reproduce your Fusio configuration on deployment. The deployment
+# then calls also the internal API to create these resources. To see an example howto use
+# the deployment please take a look at our repository: https://github.com/apioo/fusio-sample-cms
 
 # ------------------------------------------------------------------------------
 # Contains all available routes of the app. Each route reference a yaml file