Update description

pkg/cmd/generate/generate.go

@@ -33,7 +33,7 @@ func NewCmdGenerate(globalOptions *model.GlobalOptions) *cobra.Command {
 
 	c := &cobra.Command{
 		Use:     "generate",
-		Short:   "Generate code from database configuration",
+		Short:   "Generate code from templates and database table metadata",
 		Aliases: []string{"gen", "g"},
 		Example: `
   # Generate code from config file (default: gencoder.yaml), config json schema: https://raw.githubusercontent.com/DanielLiu1123/gencoder/refs/heads/main/schema.json

pkg/cmd/introspect/introspect.go

@@ -20,7 +20,7 @@ func NewCmdIntrospect(globalOptions *model.GlobalOptions) *cobra.Command {
 
 	cmd := &cobra.Command{
 		Use:     "introspect",
-		Short:   "introspect command is used to output the table metadata information for the given configuration.",
+		Short:   "Print the table metadata for the given configuration",
 		Aliases: []string{"intro", "i"},
 		Example: `
   # Print metadata of database tables from default config file (gencoder.yaml)

pkg/cmd/root.go

@@ -15,8 +15,8 @@ func NewCmdRoot(buildInfo *model.BuildInfo) *cobra.Command {
 	c := &cobra.Command{
 		Use:     "gencoder",
 		Version: buildInfo.Version,
-		Short:   "The ultimate code generator",
-		Long:    "gencoder is a code generator that generates code from templates/databases, for any languages/frameworks.",
+		Short:   "A code generator that keeps your changes during regeneration.",
+		Long:    "A code generator that keeps your changes during regeneration, powered by Handlebars.",
 		Example: `
   # Generate code from config file (default: gencoder.yaml), config json schema: https://raw.githubusercontent.com/DanielLiu1123/gencoder/refs/heads/main/schema.json
   $ gencoder generate -f gencoder.yaml