Note that hidden and private items will have an icon when shown.

Author: lolbinarycat

src/doc/rustdoc/src/command-line-arguments.md

@@ -100,7 +100,7 @@ mod private { // this item is private and will not be documented
 }
 ```
 
-`--document-private-items` includes all non-public in the generated documentation except for `#[doc(hidden)]` items.
+`--document-private-items` includes all non-public items in the generated documentation except for `#[doc(hidden)]` items.  Private items will be shown with a 🔒 icon.
 
 
 ## `-L`/`--library-path`: where to look for dependencies

src/doc/rustdoc/src/unstable-features.md

@@ -264,7 +264,7 @@ the flag in question to Rustdoc on the command-line. To do this from Cargo, you
 By default, `rustdoc` does not document items that are annotated with
 [`#[doc(hidden)]`](write-documentation/the-doc-attribute.html#hidden).
 
-`--document-hidden-items` causes all items to be documented as if they did not have `#[doc(hidden)]`.
+`--document-hidden-items` causes all items to be documented as if they did not have `#[doc(hidden)]`, except that hidden items will be shown with a 👻 icon.
 
 Here is a table that fully describes which items are documented with each combination of `--document-hidden-items` and `--document-private-items`: