bug fixing after review

[ci skip]

docs/user-guide/integrations/README.md

@@ -38,7 +38,7 @@ We do offer an [integration](../time-and-costs/time-tracking/toggl-integration/)
 
 ## Slack
 
-We do offer a rudimentary OpenProject Slack integration. It messages a configured Slack channel, every time a Work Package or Wiki site is modified.
+There is a rudimentary OpenProject Slack integration. It messages a configured Slack channel, every time a Work Package or Wiki site is modified. This integration is not officially supported by OpenProject.
 To activate it in the Cloud Edition please [get in touch](https://www.openproject.org/contact-us/). For the Enterprise Edition and the Cloud Edition you can find the plugin and its documentation on GitHub: [OpenProject Slack plugin](https://github.com/opf/openproject-slack#openproject-slack-plugin) 
 
 ## Timesheet

docs/user-guide/projects/README.md

@@ -125,7 +125,7 @@ Setting a project to public will make it accessible to all people within your Op
 
 You can create a project template in OpenProject by [creating a new project](../../getting-started/#create-a-project) and configuring your project to your needs. Name the project so you can identify it as a template, e.g. "Project XY [template]".
 
-Set up everything that you want to have available for next projects.
+Set up everything that you want to have available for future projects.
 
 - Adding project members.
 - Selecting the modules.