diff --git a/logstash-core/src/main/java/org/logstash/config/ir/CompiledPipeline.java b/logstash-core/src/main/java/org/logstash/config/ir/CompiledPipeline.java
index e919facac..e7ec2fb4d 100644
--- a/logstash-core/src/main/java/org/logstash/config/ir/CompiledPipeline.java
+++ b/logstash-core/src/main/java/org/logstash/config/ir/CompiledPipeline.java
@@ -38,7 +38,7 @@ import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 /**
- * <h3>Compiled Logstash Pipeline Configuration.</h3>
+ * <h2>Compiled Logstash Pipeline Configuration.</h2>
  * This class represents an executable pipeline, compiled from the configured topology that is
  * learnt from {@link PipelineIR}.
  * Each compiled pipeline consists in graph of {@link Dataset} that represent either a
diff --git a/logstash-core/src/main/java/org/logstash/config/ir/compiler/EventCondition.java b/logstash-core/src/main/java/org/logstash/config/ir/compiler/EventCondition.java
index 36780b665..0e4c15ab4 100644
--- a/logstash-core/src/main/java/org/logstash/config/ir/compiler/EventCondition.java
+++ b/logstash-core/src/main/java/org/logstash/config/ir/compiler/EventCondition.java
@@ -51,7 +51,7 @@ public interface EventCondition {
     boolean fulfilled(JrubyEventExtLibrary.RubyEvent event);
 
     /**
-     * <h3>EventCondition Compiler.</h3>
+     * <h2>EventCondition Compiler.</h2>
      * Compiles {@link BooleanExpression} into {@link EventCondition} globally ensuring that no
      * duplicate {@link EventCondition} are generated by strict synchronization on the internal
      * compiler cache {@link EventCondition.Compiler#cache}.