Fix sphinx-lint warnings (default-role used). (GH-134647)

Doc/c-api/code.rst

diff --git a/Doc/c-api/code.rst b/Doc/c-api/code.rst
index 6eae24b..42594f0 100644
--- a/Doc/c-api/code.rst
+++ b/Doc/c-api/code.rst
@@ -182,7 +182,7 @@
    Type of a code object watcher callback function.
 
    If *event* is ``PY_CODE_EVENT_CREATE``, then the callback is invoked
-   after `co` has been fully initialized. Otherwise, the callback is invoked
+   after *co* has been fully initialized. Otherwise, the callback is invoked
    before the destruction of *co* takes place, so the prior state of *co*
    can be inspected.
 

Doc/c-api/function.rst

diff --git a/Doc/c-api/function.rst b/Doc/c-api/function.rst
index 58792ed..63b78f6 100644
--- a/Doc/c-api/function.rst
+++ b/Doc/c-api/function.rst
@@ -169,7 +169,7 @@
    unpredictable effects, including infinite recursion.
 
    If *event* is ``PyFunction_EVENT_CREATE``, then the callback is invoked
-   after `func` has been fully initialized. Otherwise, the callback is invoked
+   after *func* has been fully initialized. Otherwise, the callback is invoked
    before the modification to *func* takes place, so the prior state of *func*
    can be inspected. The runtime is permitted to optimize away the creation of
    function objects when possible. In such cases no event will be emitted.

Doc/c-api/typeobj.rst

diff --git a/Doc/c-api/typeobj.rst b/Doc/c-api/typeobj.rst
index 5df0c0f..91046c0 100644
--- a/Doc/c-api/typeobj.rst
+++ b/Doc/c-api/typeobj.rst
@@ -1238,7 +1238,7 @@
 
    .. c:macro:: Py_TPFLAGS_MANAGED_DICT
 
-      This bit indicates that instances of the class have a `~object.__dict__`
+      This bit indicates that instances of the class have a :attr:`~object.__dict__`
       attribute, and that the space for the dictionary is managed by the VM.
 
       If this flag is set, :c:macro:`Py_TPFLAGS_HAVE_GC` should also be set.