typo in citable articles (#1521)

Author: temospena

docs/authoring/create-citeable-articles.qmd

@@ -49,7 +49,7 @@ When this metadata is available, a citation appendix is automatically added to t
 By default both the `bibtex` and formatted representations are displayed. You can use the `appendix-cite-as` option to control this behavior:
 
 +-----------------------------+------------------------------------------------+
-| `appendex-cite-as: false`   | Do not include any citations in the appendix.  |
+| `appendix-cite-as: false`   | Do not include any citations in the appendix.  |
 +-----------------------------+------------------------------------------------+
 | `appendix-cite-as: bibtex`  | Show only the BibTeX version of the citation.  |
 +-----------------------------+------------------------------------------------+