Put quotation marks around "Title" in docstring

lib/sycamore/sycamore/transforms/partition.py

@@ -422,7 +422,7 @@ class ArynPartitioner(Partitioner):
         output_label_options: A dictionary for configuring output label behavior. It supports two options:
             promote_title, a boolean specifying whether to pick the largest element by font size on the first page
                 from among the elements that are of a type specified in title_candidate_elements and promote it to
-                type Title if there is no element on the first page of type Title already.
+                type "Title" if there is no element on the first page of type "Title" already.
             title_candidate_elements, a list of strings representing the label types allowed to be promoted to
                 a title.
             Here is an example set of output label options: