[gcc r13-6220] gccrs: ast: refer correctly to arguments in docs-strings

[Arthur Cohen <cohenarthur@gcc.gnu.org>]

https://gcc.gnu.org/g:a56faba96369cff44ec1ef0ec161c294d046951c

commit r13-6220-ga56faba96369cff44ec1ef0ec161c294d046951c
Author: Jakub Dupak <dev@jakubdupak.com>
Date:   Fri Oct 28 17:27:16 2022 +0200

    gccrs: ast: refer correctly to arguments in docs-strings
    
    gcc/rust/ChangeLog:
    
            * ast/rust-ast-dump.h: Fix documentation.
    
    Signed-off-by: Jakub Dupak <dev@jakubdupak.com>

Diff:
---
 gcc/rust/ast/rust-ast-dump.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/gcc/rust/ast/rust-ast-dump.h b/gcc/rust/ast/rust-ast-dump.h
index 7a8058b195e..13c92123ea9 100644
--- a/gcc/rust/ast/rust-ast-dump.h
+++ b/gcc/rust/ast/rust-ast-dump.h
@@ -81,7 +81,7 @@ private:
   template <typename T> void visit (std::unique_ptr<T> &node);
 
   /**
-   * Visit all items in given collection, placing the separator in between but
+   * Visit all items in given @collection, placing the separator in between but
    * not at the end.
    * Start and end offset allow to visit only a "slice" from the collection.
    */
@@ -99,7 +99,7 @@ private:
   void visit_as_line (T &item, const std::string &trailing = "");
 
   /**
-   * Visit each item in a collection "as line".
+   * Visit each item in @collection "as line".
    *
    * @see visit_as_line
    */
@@ -107,7 +107,7 @@ private:
   void visit_items_as_lines (T &collection, const std::string &trailing = "");
 
   /**
-   * Visit each item in collection as lines inside a block delimited by braces
+   * Visit each item in @collection as lines inside a block delimited by braces
    * with increased indentation. Also includes special handling for empty
    * collection to print only the delimiters with no new line inside.
    */