fix grammar

  output in narrative text."

---

This lesson contains specifc style guidance and their implementation using features

of The Carpentries lesson template.  For more general matters of style, see the 

This lesson contains lesson-specifc style guidance and related implementation details related to The Carpentries lesson template.  For more general matters of style, see the 

[Style Guide](https://docs.carpentries.org/topic_folders/communications/style-guide.html) 

in The Carpentries Handbook.