docs: Add --report-chars long option to -r in reference documentation.

junhaoliao · junhaoliao · commit 90365c87c377 · 2025-12-02T02:08:23.000-05:00
diff --git a/doc/en/reference/reference.rst b/doc/en/reference/reference.rst
@@ -2910,7 +2910,7 @@ Output and Reporting
 
     Set verbosity level explicitly. Default: 0.
 
-.. option:: -r CHARS
+.. option:: -r CHARS, --report-chars=CHARS
 
     Show extra test summary info as specified by chars:
 
