Grammatically updated Community Membership doc (#5479)

* Grammatically updated Community Membership doc

* Update community-membership.md

Thanks Bob

Co-authored-by: Bob Killen <[email protected]>

* Update community-membership.md

Co-authored-by: Bob Killen <[email protected]>

Author: marcuspaget

community-membership.md

@@ -1,17 +1,17 @@
 # Community membership
 
-**Note:** This document is in progress
+**Note:** This document is a work in progress
 
 This doc outlines the various responsibilities of contributor roles in
 Kubernetes.  The Kubernetes project is subdivided into subprojects under SIGs.
 Responsibilities for most roles are scoped to these subprojects.
 
 | Role | Responsibilities | Requirements | Defined by |
 | -----| ---------------- | ------------ | -------|
-| member | active contributor in the community | sponsored by 2 reviewers.  multiple contributions to the project. | Kubernetes GitHub org member. |
-| reviewer | review contributions from other members | history of review and authorship in a subproject | [OWNERS] file reviewer entry. |
-| approver | approve accepting contributions | highly experienced and active reviewer + contributor to a subproject | [OWNERS] file approver entry|
-| subproject owner | set direction and priorities for a subproject | demonstrated responsibility and excellent technical judgement for the subproject | [sigs.yaml] subproject [OWNERS] file *owners* entry |
+| Member | Active contributor in the community | Sponsored by 2 reviewers and multiple contributions to the project | Kubernetes GitHub org member|
+| Reviewer | Review contributions from other members | History of review and authorship in a subproject | [OWNERS] file reviewer entry |
+| Approver | Contributions acceptance approval| Highly experienced active reviewer and contributor to a subproject | [OWNERS] file approver entry|
+| Subproject owner | Set direction and priorities for a subproject | Demonstrated responsibility and excellent technical judgement for the subproject | [sigs.yaml] subproject [OWNERS] file *owners* entry |
 
 ## New contributors
 
@@ -249,12 +249,12 @@ measured by the CNCF [DevStats project].
 
 **Note:** Devstats does not take into account non-code contributions. If a
 non-code contributing member is accidentally removed this way, they may open an
-issue to quickly be re-instated. 
+issue to quickly be re-instated.
 
 
 After an extended period away from the project with no activity
 those members would need to re-familiarize themselves with the current state
-before being able to contribute effectively. 
+before being able to contribute effectively.
 
 
 [code reviews]: /contributors/guide/expectations.md#code-review