carried out requested changes

[#41132] Add guide on how to setup OpenProject BIM on Docker

https://community.openproject.org/work_packages/41132

docs/installation-and-operations/changing-to-bim-edition/README.md

@@ -80,9 +80,9 @@ Go to _-> Administration -> Design_ and from the _Themes_ drop down menu choose
 
 ### Docker
 
-##### OpenProject BIM Edition with Docker Compose
+#### OpenProject BIM Edition with Docker Compose
 
-If you would like to use OpenProject BIM Edition inside your docker-compose containers, in your `docker-compose.yml` file in `x-op-app` > `environment` add the line
+If you would like to use BIM Edition inside your docker-compose OpenProject installation, in your `docker-compose.yml` file in `x-op-app` > `environment` add the line
 
 ```yml
     OPENPROJECT_EDITION: "bim"

docs/installation-and-operations/installation/docker/README.md

@@ -74,7 +74,7 @@ If you want to start from scratch and remove the exsiting data you will have to
 
 In the compose folder you will find the file `docker-compose.yml` which can be edited. Please be aware that only those variables shall be edited which are documented as not everything is meant to be configured or bend.
 
-##### BIM Edition
+#### BIM Edition
 
 If you would like to install or change to BIM inside a Docker environment, please navigate to the [Docker](../installation-and-operations/changing-to-bim-edition#docker) paragraph at the [Changing to BIM Edition](../installation-and-operations/changing-to-bim-edition) documentation.