Make sure :keyword: role works for case

Author: sobolevn

Doc/reference/compound_stmts.rst

@@ -590,6 +590,7 @@ the items are surrounded by parentheses. For example::
       statement.
 
 .. _match:
+.. _case:
 
 The :keyword:`!match` statement
 ===============================
@@ -618,7 +619,7 @@ The match statement is used for pattern matching.  Syntax:
    This section uses single quotes to denote
    :ref:`soft keywords <soft-keywords>`.
 
-Pattern matching takes a pattern as input (following ``case``) and a subject
+Pattern matching takes a pattern as input (following :keyword:`case`) and a subject
 value (following ``match``).  The pattern (which may contain subpatterns) is
 matched against the subject value.  The outcomes are: