docs: Formatting and punctuation changes

CONTRIBUTING.md

@@ -18,10 +18,10 @@ again.
 ## Reporting issues
 
 Bugs, feature requests, and development-related questions should be directed to
-our [GitHub issue tracker](https://github.com/google/go-github/issues).  If
+our [GitHub issue tracker](https://github.com/google/go-github/issues). If
 reporting a bug, please try and provide as much context as possible such as
 your operating system, Go version, and anything else that might be relevant to
-the bug.  For feature requests, please explain what you're trying to do, and
+the bug. For feature requests, please explain what you're trying to do, and
 how the requested feature would help you do that.
 
 Security related bugs can either be reported in the issue tracker, or if they
@@ -163,20 +163,20 @@ Every exported method and type needs to have code comments that follow
 //
 //meta:operation GET /repos/{owner}/{repo}
 func (s *RepositoriesService) Get(ctx context.Context, owner, repo string) (*Repository, *Response, error) {
-    u := fmt.Sprintf("repos/%v/%v", owner, repo)
-    req, err := s.client.NewRequest(ctx, "GET", u, nil)
-    ...
+	u := fmt.Sprintf("repos/%v/%v", owner, repo)
+	req, err := s.client.NewRequest(ctx, "GET", u, nil)
+	// ...
 }
 ```
 And the returned type `Repository` will have comments like this:
 
 ```go
 // Repository represents a GitHub repository.
 type Repository struct {
-    ID     *int64  `json:"id,omitempty"`
-    NodeID *string `json:"node_id,omitempty"`
-    Owner  *User   `json:"owner,omitempty"`
-    ...
+	ID     *int64  `json:"id,omitempty"`
+	NodeID *string `json:"node_id,omitempty"`
+	Owner  *User   `json:"owner,omitempty"`
+	// ...
 }
 ```
 

README.md

@@ -314,7 +314,7 @@ is recommended, ex:
 ```go
 import (
 	"github.com/bartventer/httpcache"
-	_ "github.com/bartventer/httpcache/store/memcache" //  Register the in-memory backend
+	_ "github.com/bartventer/httpcache/store/memcache" // Register the in-memory backend
 )
 
 client, err := github.NewClient(github.WithHTTPClient(httpcache.NewClient("memcache://")), github.WithAuthToken(os.Getenv("GITHUB_TOKEN")))

scrape/README.md

@@ -1,26 +1,26 @@
 [![Go Reference](https://pkg.go.dev/badge/github.com/google/go-github/scrape.svg)](https://pkg.go.dev/github.com/google/go-github/scrape)
 
 The scrape package provides an experimental client for accessing additional
-GitHub data via screen scraping.  It is designed to be a client of last resort
+GitHub data via screen scraping. It is designed to be a client of last resort
 for data that cannot be retrieved via the REST or GraphQL APIs.
 
 # What should be added here
 
-**Add only what you need.**  Whereas the main go-github library attempts to
+**Add only what you need.** Whereas the main go-github library attempts to
 implement the entire GitHub REST API, there is little point in trying to do that
-here.  Certainly, feel free to contribute patches to get data you actually
+here. Certainly, feel free to contribute patches to get data you actually
 need, but I'd rather not try and provide exhaustive coverage of all GitHub data
 here.
 
-**Add only what can't be accessed elsewhere.**  If the data can be retrieved
+**Add only what can't be accessed elsewhere.** If the data can be retrieved
 through the REST or GraphQL API, use the appropriate libraries for that.
 
-**Prefer read-only access.**  For now, I'm only focusing on reading data. It
+**Prefer read-only access.** For now, I'm only focusing on reading data. It
 might be that writing works fine as well, but it is of course much riskier.
 
 # How to add methods
 
-See [apps.go](apps.go) for examples of methods that access data.  Basically,
+See [apps.go](apps.go) for examples of methods that access data. Basically,
 fetch the contents of the page using `client.get`, and then use goquery to dig
-into the markup on the page.  Prefer selectors that grab semantic ID or class
+into the markup on the page. Prefer selectors that grab semantic ID or class
 names, as they are more likely to be stable.