Minor wording updates

doc/install/postgresql_extensions.md

@@ -9,10 +9,10 @@ info: To determine the technical writer assigned to the Stage/Group associated w
 This guide documents how to manage PostgreSQL extensions for installations with an external
 PostgreSQL database.
 
-The following extensions must be loaded into the GitLab database.
+The following extensions must be loaded into the GitLab database:
 
 | Extension    | Minimum GitLab version |
-| ------------ | ---------------------- |
+|--------------|------------------------|
 | `pg_trgm`    | 8.6                    |
 | `btree_gist` | 13.1                   |
 

doc/install/requirements.md

@@ -152,16 +152,16 @@ MySQL/MariaDB are advised to [migrate to PostgreSQL](../update/mysql_to_postgres
 The server running PostgreSQL should have _at least_ 5-10 GB of storage
 available, though the exact requirements [depend on the number of users](../administration/reference_architectures/index.md).
 
-We highly recommend users to use the minimum PostgreSQL versions specified in
-the following table as these are the versions used for development and testing.
+We highly recommend using the minimum PostgreSQL versions (as specified in
+the following table) as these were used for development and testing:
 
 | GitLab version | Minimum PostgreSQL version |
-| -------------- | -------------------------- |
+|----------------|----------------------------|
 | 10.0           | 9.6                        |
 | 13.0           | 11                         |
 
 You must also ensure the following extensions are [loaded into every
-GitLab database](postgresql_extensions.html).
+GitLab database](postgresql_extensions.html):
 
 | Extension    | Minimum GitLab version |
 | ------------ | ---------------------- |
@@ -169,7 +169,7 @@ GitLab database](postgresql_extensions.html).
 | `btree_gist` | 13.1                   |
 
 NOTE:
-Support for [PostgreSQL 9.6 and 10 has been removed in GitLab 13.0](https://about.gitlab.com/releases/2020/05/22/gitlab-13-0-released/#postgresql-11-is-now-the-minimum-required-version-to-install-gitlab) so that GitLab can benefit from PostgreSQL 11 improvements, such as partitioning. For the schedule of transitioning to PostgreSQL 12, see [the related epic](https://gitlab.com/groups/gitlab-org/-/epics/2184).
+Support for [PostgreSQL 9.6 and 10 was removed in GitLab 13.0](https://about.gitlab.com/releases/2020/05/22/gitlab-13-0-released/#postgresql-11-is-now-the-minimum-required-version-to-install-gitlab) so that GitLab can benefit from PostgreSQL 11 improvements, such as partitioning. For the schedule of transitioning to PostgreSQL 12, see [the related epic](https://gitlab.com/groups/gitlab-org/-/epics/2184).
 
 #### Additional requirements for GitLab Geo
 

doc/update/upgrading_from_source.md

@@ -168,11 +168,11 @@ WARNING:
 From GitLab 13.0, you must use at least PostgreSQL 11.
 
 The latest version of GitLab might depend on a more recent PostgreSQL version
-than what you are currently running. You might also need to enable some
-extensions. See the [PostgreSQL requirements](../install/requirements.md#postgresql-requirements)
-for more information.
+than what you're currently running. You may also need to enable some
+extensions. For more information, see the
+[PostgreSQL requirements](../install/requirements.md#postgresql-requirements)
 
-In order to upgrade PostgreSQL, refer to its [documentation](https://www.postgresql.org/docs/11/upgrading.html).
+To upgrade PostgreSQL, refer to its [documentation](https://www.postgresql.org/docs/11/upgrading.html).
 
 ### 8. Get latest code