diff --git a/akka-docs/src/main/paradox/howto.md b/akka-docs/src/main/paradox/howto.md
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--- a/akka-docs/src/main/paradox/howto.md
+++ b/akka-docs/src/main/paradox/howto.md
@@ -124,6 +124,8 @@ The pattern is described [Discovering Message Flows in Actor System with the Spi
 
 See @ref:[Actor Timers](actors.md#actors-timers)
 
+@@@ div { .group-java }
+
 ## Single-Use Actor Trees with High-Level Error Reporting
 
 *Contributed by: Rick Latrine*