Update validate usage

Author: darrenbelding

src/cli/run/validate.ts

@@ -10,8 +10,9 @@ import validateTranslation from '../../services/translation/validate';
 
 const helperText = `
 Usage:
-    --validate-schema sample-widget/schema.json
-    --validate-query-params sample-widget/queryParamsBuilder.json
+    widget-builder validate --schema schema.json
+    widget-builder validate --query-params queryParamsBuilder.json
+    widget-builder validate --translation schema_translation.json
 `;
 
 const validateCommands = () => {