diff --git a/cmd/ghcs/common.go b/cmd/ghcs/common.go
index 2f4862e13..e71e3dfe4 100644
--- a/cmd/ghcs/common.go
+++ b/cmd/ghcs/common.go
@@ -15,7 +15,7 @@ import (
 	"golang.org/x/term"
 )
 
-var errNoCodespaces = errors.New("You have no codespaces.")
+var errNoCodespaces = errors.New("you have no codespaces")
 
 func chooseCodespace(ctx context.Context, apiClient *api.API, user *api.User) (*api.Codespace, error) {
 	codespaces, err := apiClient.ListCodespaces(ctx, user)
diff --git a/cmd/ghcs/create.go b/cmd/ghcs/create.go
index 8b7a2e7d9..2125176fd 100644
--- a/cmd/ghcs/create.go
+++ b/cmd/ghcs/create.go
@@ -82,7 +82,7 @@ func create(opts *createOptions) error {
 		return fmt.Errorf("error getting machine type: %w", err)
 	}
 	if machine == "" {
-		return errors.New("There are no available machine types for this repository")
+		return errors.New("there are no available machine types for this repository")
 	}
 
 	log.Println("Creating your codespace...")
diff --git a/cmd/ghcs/delete.go b/cmd/ghcs/delete.go
index 1ff8122b3..d7fb1359e 100644
--- a/cmd/ghcs/delete.go
+++ b/cmd/ghcs/delete.go
@@ -29,7 +29,7 @@ func newDeleteCmd() *cobra.Command {
 		RunE: func(cmd *cobra.Command, args []string) error {
 			switch {
 			case allCodespaces && repo != "":
-				return errors.New("both --all and --repo is not supported.")
+				return errors.New("both --all and --repo is not supported")
 			case allCodespaces:
 				return deleteAll(log, force)
 			case repo != "":
@@ -178,7 +178,7 @@ func deleteByRepo(log *output.Logger, repo string, force bool) error {
 		}()
 	}
 	if !found {
-		return fmt.Errorf("No codespace was found for repository: %s", repo)
+		return fmt.Errorf("no codespace was found for repository: %s", repo)
 	}
 	wg.Wait()
 
diff --git a/cmd/ghcs/main.go b/cmd/ghcs/main.go
index 651d98c1d..7903dad2a 100644
--- a/cmd/ghcs/main.go
+++ b/cmd/ghcs/main.go
@@ -40,7 +40,7 @@ token to access the GitHub API with.`,
 
 		PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
 			if os.Getenv("GITHUB_TOKEN") == "" {
-				return tokenError
+				return errTokenMissing
 			}
 			return initLightstep(lightstep)
 		},
@@ -51,10 +51,10 @@ token to access the GitHub API with.`,
 	return root
 }
 
-var tokenError = errors.New("GITHUB_TOKEN is missing")
+var errTokenMissing = errors.New("GITHUB_TOKEN is missing")
 
 func explainError(w io.Writer, err error) {
-	if errors.Is(err, tokenError) {
+	if errors.Is(err, errTokenMissing) {
 		fmt.Fprintln(w, "The GITHUB_TOKEN environment variable is required. Create a Personal Access Token at https://github.com/settings/tokens/new?scopes=repo")
 		fmt.Fprintln(w, "Make sure to enable SSO for your organizations after creating the token.")
 		return