Update docstrings

sphinx/environment/__init__.py

@@ -613,7 +613,7 @@ def master_doctree(self) -> nodes.document:
         return self.get_doctree(self.config.root_doc)
 
     def get_doctree_write(self, docname: str) -> nodes.document:
-        """Split from the function get_and_resolve_doctree for write phase."""
+        """Read the doctree from pickle for the write phase."""
         try:
             doctree = self._write_doc_doctree_cache.pop(docname)
             doctree.settings.env = self
@@ -630,9 +630,7 @@ def get_and_resolve_doctree(
         prune_toctrees: bool = True,
         includehidden: bool = False,
     ) -> nodes.document:
-        """Read the doctree from the pickle, resolve cross-references and
-        toctrees and return it.
-        """
+        """Get the doctree, resolve cross-references and toctrees and return it."""
         if doctree is None:
             doctree = self.get_doctree_write(docname)