docs: typo (#581)

Author: Masstronaut

docs/packages/rehype.md

@@ -86,7 +86,7 @@ const file = await unified()
 This is deprecated. It's disabled by default in `v0.10.0` and will be removed in the next minor. Consider use [`transformerNotationHighlight`](https://shiki.style/packages/transformers#transformernotationhighlight) instead.
 :::
 
-In addition to the features of `shiki`, this plugin also supports line highlighting. You can specify line numbers to highlight after the language name in the format `{<line-numbers>}` - a comma separated list of `<line-number>`s, wrapped in curly braces. Each line number can be a single number (e.g. `{2}` highlights line 2 and `{1,4}` highlights lines 1 and 4) or a range (e.g. `{5-7}` highlights lines 1 through 7, and `{1-3,5-6}` highlights lines 1 through 3 and 5 through 6). For example:
+In addition to the features of `shiki`, this plugin also supports line highlighting. You can specify line numbers to highlight after the language name in the format `{<line-numbers>}` - a comma separated list of `<line-number>`s, wrapped in curly braces. Each line number can be a single number (e.g. `{2}` highlights line 2 and `{1,4}` highlights lines 1 and 4) or a range (e.g. `{1-7}` highlights lines 1 through 7, and `{1-3,5-6}` highlights lines 1 through 3 and 5 through 6). For example:
 
 ````md
 ```js {1,3-4}