📚 Make a few language changes (#681)

CONTRIBUTING.md

@@ -38,7 +38,7 @@ The most important directories:
                                       execution, active webhooks and
                                       workflows
  - [/packages/editor-ui](/packages/editor-ui) - Vue frontend workflow editor
- - [/packages/node-dev](/packages/node-dev) - Simple CLI to create new n8n-nodes
+ - [/packages/node-dev](/packages/node-dev) - CLI to create new n8n-nodes
  - [/packages/nodes-base](/packages/nodes-base) - Base n8n nodes
  - [/packages/workflow](/packages/workflow) - Workflow code with interfaces which
                                             get used by front- & backend
@@ -159,7 +159,7 @@ tests of all packages.
 
 ## Create Custom Nodes
 
-It is very easy to create own nodes for n8n. More information about that can
+It is very straightforward to create your own nodes for n8n. More information about that can
 be found in the documentation of "n8n-node-dev" which is a small CLI which
 helps with n8n-node-development.
 
@@ -177,9 +177,9 @@ If you want to create a node which should be added to n8n follow these steps:
 
   1. Create a new folder for the new node. For a service named "Example" the folder would be called: `/packages/nodes-base/nodes/Example`
 
-  1. If there is already a similar node simply copy the existing one in the new folder and rename it. If none exists yet, create a boilerplate node with [n8n-node-dev](https://github.com/n8n-io/n8n/tree/master/packages/node-dev) and copy that one in the folder.
+  1. If there is already a similar node, copy the existing one in the new folder and rename it. If none exists yet, create a boilerplate node with [n8n-node-dev](https://github.com/n8n-io/n8n/tree/master/packages/node-dev) and copy that one in the folder.
 
-  1. If the node needs credentials because it has to authenticate with an API or similar create new ones. Existing ones can be found in folder `/packages/nodes-base/credentials`. Also there it is the easiest to simply copy existing similar ones.
+  1. If the node needs credentials because it has to authenticate with an API or similar create new ones. Existing ones can be found in folder `/packages/nodes-base/credentials`. Also there it is the easiest to copy existing similar ones.
 
   1. Add the path to the new node (and optionally credentials) to package.json of `nodes-base`. It already contains a property `n8n` with its own keys `credentials` and `nodes`.
 
@@ -236,6 +236,6 @@ docsify serve ./docs
 
 That we do not have any potential problems later it is sadly necessary to sign a [Contributor License Agreement](CONTRIBUTOR_LICENSE_AGREEMENT.md). That can be done literally with the push of a button.
 
-We used the most simple one that exists. It is from [Indie Open Source](https://indieopensource.com/forms/cla) which uses plain English and is literally just a few lines long.
+We used the most simple one that exists. It is from [Indie Open Source](https://indieopensource.com/forms/cla) which uses plain English and is literally only a few lines long.
 
 A bot will automatically comment on the pull request once it got opened asking for the agreement to be signed. Before it did not get signed it is sadly not possible to merge it in.

LICENSE.md

@@ -215,7 +215,7 @@ Licensor: n8n GmbH
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright [yyyy] [name of copyright owner]
+   Copyright [2020] [n8n GmbH]
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.