diff --git a/Changes b/Changes
index ab62ebd..1beeaab 100644
--- a/Changes
+++ b/Changes
@@ -5,10 +5,11 @@ o Optional Content Groups now preserved when merging / stamping pages
 o Listing, coalescing and modfying Optional Content Groups.
 o New -labels-progress option to improve page labels interface
 o New options -output-json et al. to export PDF files in JSON format
+o New options to manipulate Optional Content Groups
 o New option -stamp-as-xobject to add one PDF as an xobject in another
 o No longer depends on Bigarray or Unix modules
 o Appearance streams transformed when transforming annotations
-o Bookmark desitination positions transformed when transforming pages
+o Bookmark destination positions transformed when transforming pages
 
 Version 2.3 (patchlevel 1, December 2019)
 
diff --git a/cpdfwriteJSON.ml b/cpdfwriteJSON.ml
index e5183d1..99f7d76 100644
--- a/cpdfwriteJSON.ml
+++ b/cpdfwriteJSON.ml
@@ -187,6 +187,9 @@ let json_of_pdf parse_content no_stream_data pdf =
       iter (fun n -> Pdfcodec.decode_pdfstream_until_unknown pdf (P.lookup_obj pdf n)) !content_streams;
     let pairs_parsed =
       if not parse_content then pairs else
+        (* FIXME. Here we must combine all the streams together, using a new
+           object number. This is so that the parsing can parse things split
+           across streams. *)
         map
           (fun (objnum, obj) ->
              if mem objnum !content_streams then