diff --git a/layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/model/graph/nodes/SemanticNode.java b/layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/model/graph/nodes/SemanticNode.java
index 11a612c..e35a83e 100644
--- a/layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/model/graph/nodes/SemanticNode.java
+++ b/layoutparser-service/layoutparser-service-processor/src/main/java/com/knecon/fforesight/service/layoutparser/processor/model/graph/nodes/SemanticNode.java
@@ -337,15 +337,15 @@ public interface SemanticNode {
 
 
     /**
-     * returns the set of layoutengines
+     * returns the set of layoutengines.
      *
-     * @return set of layoutengines
+     * @return set of layoutengines.
      */
     Set<LayoutEngine> getEngines();
 
 
     /**
-     * adds a layoutengine to the set
+     * adds a layoutengine to the set.
      */
     default void addEngine(LayoutEngine engine) {