diff --git a/src/main/java/com/fasterxml/jackson/databind/MapperFeature.java b/src/main/java/com/fasterxml/jackson/databind/MapperFeature.java
index b8ddcce555..8e19130f77 100644
--- a/src/main/java/com/fasterxml/jackson/databind/MapperFeature.java
+++ b/src/main/java/com/fasterxml/jackson/databind/MapperFeature.java
@@ -363,9 +363,8 @@ public enum MapperFeature implements ConfigFeature
* merging is skipped and new value is created (true
) or
* an exception is thrown (false).
*
- * Feature is disabled by default since non-mergeable property types are ignored - * even if defaults call for merging, and usually explicit per-type or per-property - * settings for such types should result in an exception. + * Feature is enabled by default, to allow use of merge defaults even in presence + * of some unmergeable properties. */ IGNORE_MERGE_FOR_UNMERGEABLE(true)