Fix typo

docs/src/markdown/extensions/snippets.md

@@ -231,7 +231,7 @@ Option                 | Type            | Default          | Description
 `base_path`            | \[string\]      | `#!py3 ['.']`    | A list of strings indicating base paths to be used resolve snippet locations. For legacy purposes, a single string will also be accepted as well. Base paths will be resolved in the order they are specified. When resolving a file name, the first match wins. If a file name is specified, the base name will be matched.
 `encoding`             | string          | `#!py3 'utf-8'`  | Encoding to use when reading in the snippets.
 `check_paths`          | bool            | `#!py3 False`    | Make the build fail if a snippet can't be found.
-`auto_append`          | \[string]\]     | `#!py3 []`       | A list of snippets (relative to the `base_path`) to auto append to the Markdown content.
+`auto_append`          | \[string\]      | `#!py3 []`       | A list of snippets (relative to the `base_path`) to auto append to the Markdown content.
 `url_download`         | bool            | `#!py3 False`    | Allows URLs to be specified as file snippets. URLs will be downloaded and inserted accordingly.
 `url_max_size`         | int             | `#!py3 33554432` | Sets an arbitrary max content size. If content length is reported to be larger, and exception will be thrown. Default is ~32 MiB.
 `url_timeout`          | float           | `#!py3 10.0`     | Passes an arbitrary timeout in seconds to URL requestor. By default this is set to 10 seconds.