Issue #17203: add long option names to unittest discovery docs.
diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
index 4422533..4edc89e 100644
--- a/Doc/library/unittest.rst
+++ b/Doc/library/unittest.rst
@@ -304,15 +304,15 @@
Verbose output
-.. cmdoption:: -s directory
+.. cmdoption:: -s, --start-directory directory
Directory to start discovery (``.`` default)
-.. cmdoption:: -p pattern
+.. cmdoption:: -p, --pattern pattern
Pattern to match test files (``test*.py`` default)
-.. cmdoption:: -t directory
+.. cmdoption:: -t, --top-level-directory directory
Top level directory of project (defaults to start directory)