fix hidden title in command-line-arguments docs

ickk · web-flow · commit 48506150f4b8 · 2024-05-12T17:18:44.000+10:00
diff --git a/src/doc/rustdoc/src/command-line-arguments.md b/src/doc/rustdoc/src/command-line-arguments.md
@@ -273,7 +273,7 @@ will be added.
 
 When rendering Rust files, this flag is ignored.
 
-## `--html-in-header`: include more HTML in <head>
+## `--html-in-header`: include more HTML in `<head>`
 
 Using this flag looks like this:
 
