-# feature (new feature)
-# fix (bug fix)
-# refactor (refactoring production code)
-# style (formatting, missing semi colons, etc; no code change)
-# docs (changes to documentation)
-# test (adding or refactoring tests; no production code change)
-# make (change the build process, or tools, or infrastructure)
+# feature (new feature)
+# fix (bug fix)
+# refactor (refactoring production code)
+# improvement (minor improvements in existing feature)
+# style (formatting, missing semi colons, etc; no code change)
+# docs (changes to documentation)
+# test (adding or refactoring tests; no production code change)
+# make (change the build process, or tools, or infrastructure)