Fix distance constraint serialization bug

Change-Id: If3a3614bdb3600e9431aaee23f776a9c0139ad4e
diff --git a/Changes b/Changes
index 3b4f0bf..a681cc0 100644
--- a/Changes
+++ b/Changes
@@ -1,6 +1,7 @@
 0.55.3 2016-02-15
-	- [bugfix] use base foundry for default sentences and paragraphs
+	- [bugfix] Use base foundry for default sentences and paragraphs
 	  (diewald)
+	- [bugfix] Distance constraint exclusion serialized (diewald)
 
 0.55.2 2016-02-13
         - [bugfix] Fixed support for corpus and doc IDs containing