fix config

Co-authored-by: dgw <[email protected]>

sopel/config/__init__.py

@@ -160,15 +160,14 @@ def homedir(self):
             return os.path.dirname(self.filename)
 
     def get_defined_sections(self):
-        """Retrieve all defined static section of this configuration.
+        """Retrieve all defined static sections of this configuration.
 
-        :return: a list of all instance of
-                 :class:`~sopel.config.types.StaticSection` defined for this
-                 configuration file.
+        :return: all instances of :class:`~sopel.config.types.StaticSection`
+                 defined for this configuration file
         :rtype: list
 
         When a plugin defines a section (using :meth:`define_section`), it
-        associate a :class:`~sopel.config.types.StaticSection` for the section.
+        associates a :class:`~sopel.config.types.StaticSection` for the section.
         This method allows to retrieve these instances of ``StaticSection``,
         and only these.