Enhance lastgenre plugin: add item.try_write() for write operations and improve documentation clarity

beetsplug/lastgenre/__init__.py

@@ -578,6 +578,8 @@ class LastGenrePlugin(plugins.BeetsPlugin):
                     if not pretend:
                         item.genre = item_genre
                         item.store()
+                    if write and not pretend:
+                        item.try_write()
 
         lastgenre_cmd.func = lastgenre_func
         return [lastgenre_cmd]

docs/plugins/lastgenre.rst

@@ -124,7 +124,7 @@ tags** and will only **fetch new genres for empty tags**. When ``force`` is
 ``yes`` the setting of the ``whitelist`` option (as documented in Usage_)
 applies to any existing or newly fetched genres.
 
-The follwing configurations are possible:
+The following configurations are possible:
 
 **Setup 1** (default)
 
@@ -213,9 +213,9 @@ fetch genres for albums or items matching a certain query.
 By default, ``beet lastgenre`` matches albums. To match individual tracks or
 singletons, use the ``-A`` switch: ``beet lastgenre -A [QUERY]``.
 
-To preview changes without modifying your library, use the ``-p``
-(``--pretend``) flag. This shows which genres would be set but does not write
-or store any changes.
+- To preview the changes that would be made without applying them, use the
+  ``-p`` (``--pretend``) flag. This shows which genres would be set but does
+  not write or store any changes.
 
 To disable automatic genre fetching on import, set the ``auto`` config option to
 false.