diff --git a/serialization-jackson/src/main/resources/reference.conf b/serialization-jackson/src/main/resources/reference.conf
index b24266d578..1570411e47 100644
--- a/serialization-jackson/src/main/resources/reference.conf
+++ b/serialization-jackson/src/main/resources/reference.conf
@@ -62,7 +62,7 @@ pekko.serialization.jackson {
   }
 
   write {
-    # see https://www.javadoc.io/static/com.fasterxml.jackson.core/jackson-core//com/fasterxml/jackson/core/StreamWriteConstraints.html
+    # see https://www.javadoc.io/static/com.fasterxml.jackson.core/jackson-core/2.17.1/com/fasterxml/jackson/core/StreamWriteConstraints.html
     # these defaults are the same as the defaults in `StreamWriteConstraints`
     max-nesting-depth = 1000
   }