34185: fix RST issues

Author: soehms

src/sage/doctest/control.py

@@ -1353,7 +1353,7 @@ def run(self):
             Features detected...
             0
 
-        We test the ``--hide`` option (:trac:`34185`):
+        We test the ``--hide`` option (:trac:`34185`)::
 
             sage: from sage.doctest.control import test_hide
             sage: filename = tmp_filename(ext='.py')

src/sage/features/__init__.py

@@ -348,7 +348,7 @@ def is_optional(self):
     def hide(self):
         r"""
         Hide this feature. For example this is used when the doctest option
-        ``--hide``is set. Setting an installed feature as hidden pretends
+        ``--hide`` is set. Setting an installed feature as hidden pretends
         that it is not available. To revert this use :meth:`unhide`.
 
         EXAMPLES: