doc/reference: add a couple of missing confval entries

Author: bluetech

doc/en/how-to/logging.rst

@@ -230,7 +230,7 @@ option names are:
 * ``log_file_date_format``
 
 You can call ``set_log_path()`` to customize the log_file path dynamically. This functionality
-is considered **experimental**. Note that ``set_log_path()`` respects the ``log_file_mode`` option.
+is considered **experimental**. Note that ``set_log_path()`` respects the :confval:`log_file_mode` option.
 
 .. _log_colors:
 

doc/en/reference/reference.rst

@@ -1470,6 +1470,19 @@ passed multiple times. The expected format is ``name=value``. For example::
       as this is considered less error prone, see :issue:`3155` for more details.
 
 
+.. confval:: enable_assertion_pass_hook
+
+   Enables the :hook:`pytest_assertion_pass` hook.
+   Make sure to delete any previously generated ``.pyc`` cache files.
+
+   .. tab:: ini
+
+       .. code-block:: ini
+
+            [pytest]
+            enable_assertion_pass_hook = true
+
+
 .. confval:: faulthandler_timeout
 
    Dumps the tracebacks of all threads if a test takes longer than ``X`` seconds to run (including
@@ -1702,6 +1715,21 @@ passed multiple times. The expected format is ``name=value``. For example::
     For more information, see :ref:`logging`.
 
 
+.. confval:: log_file_mode
+
+    Sets the mode that the logging file is opened with.
+    The options are ``"w"`` to recreate the file (the default) or ``"a"`` to append to the file.
+
+    .. tab:: ini
+
+        .. code-block:: ini
+
+            [pytest]
+            log_file_mode = a
+
+    For more information, see :ref:`logging`.
+
+
 .. confval:: log_file_date_format