k2c: by default use s bounds from structure.xml

use --s-bounds-from-morpho option otherwise

Change-Id: Ic8321767d41416283dd5081620a1c07710fc3460
diff --git a/Changes b/Changes
index be573b3..82224b2 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,4 @@
+        - by default sentence boundary information is now read from structure.xml files (use --s-bounds-from-morpho otherwise)
         - korapxml2conllu: use morpho.xml if present when run on base zips
         - korapxml2conllu: new option -c <columns>
         - conllu2korapxml: ignore _-lemmas