In image markdown syntax, put title description in the right place

Author: cderv

docs/authoring/markdown-basics.qmd

@@ -98,7 +98,7 @@ This document provides examples of the most commonly used markdown syntax. See t
 | ```                                                          |                                                                                                        |
 +--------------------------------------------------------------+--------------------------------------------------------------------------------------------------------+
 | ``` markdown                                                 | [![Caption](elephant.png "An elephant"){fig-alt="A line drawing of an elephant."}](https://quarto.org) |
-| [![Caption](elephant.png)](https://quarto.org "An elephant") |                                                                                                        |
+| [![Caption](elephant.png "An elephant")](https://quarto.org) |                                                                                                        |
 | ```                                                          |                                                                                                        |
 +--------------------------------------------------------------+--------------------------------------------------------------------------------------------------------+
 | ``` markdown                                                 | [![](elephant.png){fig-alt="A line drawing of an elephant."}](https://quarto.org)                      |