fix(html-lightbox-figures.qmd): typo

Fixes quarto-dev/quarto-cli#12410

Author: mcanouil

docs/output-formats/html-lightbox-figures.qmd

@@ -108,7 +108,7 @@ For example, the following three images will be treated as a gallery:
 
 ## Options
 
-Quarto supports a number of options to customize the ligthbox behavior for a document. Options include:
+Quarto supports a number of options to customize the lightbox behavior for a document. Options include:
 
 | Option          | Description                                                                                                                                                              |
 |---------------------|---------------------------------------------------|
@@ -205,4 +205,4 @@ It is possible to create several plots, and group them in a lightbox gallery. Us
 plot(mtcars)
 plot(cars)
 ```
-````
+````