fix: typo

Author: mcanouil

docs/websites/website-tools.qmd

@@ -368,7 +368,7 @@ project:
     - "*.xlsx"
 ```
 
-Note that the `*.xslx` value is quoted: this is because YAML requires that strings that begin with non-alphanumeric characters be quoted.
+Note that the `*.xlsx` value is quoted: this is because YAML requires that strings that begin with non-alphanumeric characters be quoted.
 
 You can also add a `resources` metadata value to individual files. For example: