Update docs/commands/bundle.md

Co-authored-by: Lorna Jane Mitchell <lorna.mitchell@redocly.com>

docs/commands/bundle.md

@@ -78,7 +78,7 @@ apis:
     output: dist/bar.json
 ```
 
-Given the **redocly.yaml** configuration file above, the following command bundles the APIs `foo` and `bar` into the `dist/` folder.
+Given the `redocly.yaml` configuration file above, the following command bundles the APIs `foo` and `bar` into the `dist/` folder.
 
 ```bash
 redocly bundle