Incorporate review suggestions

* Update title of a milestone.
* Rephrase two sentences in two milestones.

_roadmap/software/2021-06-01-tasks.md

@@ -4,7 +4,7 @@ title: Tasks in June 2021
 service: software
 ---
 
-## CI as a Service as a Pilot Service
+## CI as a Service (Pilot)
 We consider Continuous Integration (CI) an important aspect in a
 modern software engineering workflow.
 Easy-to-use CI resources should be available for all Helmholtz scientists.
@@ -13,4 +13,5 @@ centers run their own GitLab instances on dedicated infrastructure in their
 center.
 In order to bundle resources and enable research software projects
 to easily use CI for their projects, CI will be offered as a service.
-In this milestone we would like to set up CI as a Service and test it with a few pilot centers.
+In this milestone, we will set up CI as a Service and test it first with few
+pilot centers, in order to make it available to all Helmholtz communities.

_roadmap/software/2021-12-01-tasks.md

@@ -11,5 +11,5 @@ Integrating tools like [Binder](https://mybinder.org/) or [ShinyR](https://shiny
 into the [Helmholtz-wide GitLab](https://gitlab.hzdr.de)
 will allow scientists to easily make their research software product available
 to others without the need for installing and configuring tools locally.
-First and foremost, a concept will be elaborated on how this integration
-could be realized.
+In this milestone, a concept will be elaborated on how this integration
+may be realized.