added change log with the PR

CHANGELOG.md

@@ -12,3 +12,9 @@ For each PR made, an entry should be added to this changelog. It should contain
   - etc.
 
 ## Changelog
+- 1209-bug-fix-document-type-creator-form
+  - Description: The dropdown on the pattern creation form needs to be set as multi as the default option since this is why the doc type creator form is used for the majority of multi-URL pattern creations. This should be applied to doc types, division types, and titles as well.
+  - Changes:
+    - Set the default value for `match_pattern_type` in `BaseMatchPattern` class is set to `2`
+    - Changed `test_create_simple_exclude_pattern` test within `TestDeltaExcludePatternBasics`
+    - Changed `test_create_division_pattern` and `test_create_document_type_pattern_single` within `TestFieldModifierPatternBasics`