Apply suggestions from code review

Co-authored-by: Eduardo Rodrigues <[email protected]>

Author: graeme-a-stewart

projects/affiliated.md

@@ -29,7 +29,7 @@ The list of HSF Affiliated Projects and Software is hosted in a dedicated area o
 
 The recognition of bijective engagement with the HSF is displayed via a [*GitHub
 Badge*]({{ site.baseurl }}/projects/badges.html). This assures the community
-that the project is relevant, useful and meets appropriate software quality
+that the project/software is relevant, useful and meets appropriate software quality
 standards, as defined in our [guidelines]({{ site.baseurl }}/projects/guidelines.html).
 
 ### HSF Project Badge

projects/guidelines.md

@@ -31,7 +31,7 @@ towards improvements.
 
 ### General guidelines
 
-Generally all of the following must be met by a project to be an HSF Affiliated Project and exceptions should be justified.
+Generally, all of the following must be met by a project to be an HSF Affiliated Project, and exceptions should be justified.
 
 Any software library should strive to fulfil the following:
 
@@ -91,7 +91,7 @@ These guidelines lie in three major categories:
 * Sustainability and support structures of the project (e.g. number of active developers, discussion fora, documentation, training events, time to respond to issues, etc.)
 * Level of adoption of the software by experiments and other projects, hence the impact of the project.
 
-### Level 3 Software
+### Tier 3 Software
 
 A.k.a. *analysis code* in the 3-tier model.