add docu review comments;

Signed-off-by: Stefan Maute <stefan.maute@bosch.io>

documentation/src/main/resources/pages/ditto/httpapi-concepts.md

@@ -62,7 +62,7 @@ This maps to the following HTTP API endpoints:
 
 #### `/things` in API 2 - dynamic part
 
-Additionally, to that "static part" of the HTTP API which is defined by Ditto, the API is dynamically enhanced by the
+Additionally to that "static part" of the HTTP API which is defined by Ditto, the API is dynamically enhanced by the
 JSON structure of the Thing.<br/>
 
 {% include note.html content="This automatically turns each small aspect of a **digital twin** into an API endpoint." %}

documentation/src/main/resources/pages/ditto/httpapi-overview.md

@@ -24,16 +24,16 @@ Ditto supports two types of communication channels: `twin` and `live`.
 The `twin` channel is used to communicate with the **digital twin** representation of a device.
 The `live` channel can be used to communicate directly with an actual device. 
 In case the `live` channel is used, the device itself is responsible for answering the command/message.   
-If no response is returned the request will result in a timeout and Ditto will respond with `408 Request Timeout`.
-This timeout can be set with the `timeout` parameter. If no `timeout` parameter is set the default of `10s` is used to
+If no response is returned, the request will result in a timeout, and Ditto will respond with `408 Request Timeout`.
+This timeout can be set with the `timeout` parameter. If no `timeout` parameter is set, the default of `10s` is used to
 wait for response of the device.
-When routing live commands to devices Ditto is doing an [authorization check](basic-auth.html) based on the policy
+When routing live commands to devices, Ditto is doing an [authorization check](basic-auth.html) based on the policy
 of the thing. Ditto also filters responses based on that policy. 
 
 The default channel for all HTTP requests is the `twin` channel. The channel can either be set via HTTP header or via
 query parameter.
 
-For more information about the channel concept can be found [here](protocol-twinlive.html).  
+For more information about the channel concept see section [Ditto Protocol > Protocol twin/live channel](protocol-twinlive.html).
 
 ## Content Type