Update usage to lower-kebab-case

pkg/cmd/browse/browse.go

@@ -69,7 +69,7 @@ func NewCmdBrowse(f *cmdutil.Factory, runF func(*BrowseOptions) error) *cobra.Co
 			- Repository home page
 			- Repository settings
 		`),
-		Use:  "browse [<number> | <path> | <commit-SHA>]",
+		Use:  "browse [<number> | <path> | <commit-sha>]",
 		Args: cobra.MaximumNArgs(1),
 		Example: heredoc.Doc(`
 			$ gh browse

pkg/cmd/gist/rename/rename.go

@@ -35,7 +35,7 @@ func NewCmdRename(f *cmdutil.Factory, runf func(*RenameOptions) error) *cobra.Co
 	}
 
 	cmd := &cobra.Command{
-		Use:   "rename {<id> | <url>} <oldFilename> <newFilename>",
+		Use:   "rename {<id> | <url>} <old-filename> <new-filename>",
 		Short: "Rename a file in a gist",
 		Long:  heredoc.Doc(`Rename a file in the given gist ID / URL.`),
 		Args:  cobra.ExactArgs(3),

pkg/cmd/repo/license/view/view.go

@@ -34,7 +34,7 @@ func NewCmdView(f *cmdutil.Factory, runF func(*ViewOptions) error) *cobra.Comman
 	}
 
 	cmd := &cobra.Command{
-		Use:   "view {<license-key> | <SPDX-ID>}",
+		Use:   "view {<license-key> | <spdx-id>}",
 		Short: "View a specific repository license",
 		Long: heredoc.Docf(`
 			View a specific repository license by license key or SPDX ID.