bugfix 
diff --git a/examples/cosmas4.json b/examples/cosmas4.json
index f241ecd..55eab65 100644
--- a/examples/cosmas4.json
+++ b/examples/cosmas4.json
@@ -12,7 +12,7 @@
     }, {
       "@type" : "korap:distance",
       "key" : "s",
-      "min" : 1,
+      "min" : 0,
       "max" : 1
     } ],
     "operands" : [ {