Fix broken image link

Author: JohT

README.md

@@ -136,7 +136,7 @@ Here are some examples from over a hundred reports generated by the analysis. Th
 
 ### Communities and Node Embeddings of Java Packages
 
-<img src="./analysis-results/AxonFramework/latest/node-embeddings-java/NodeEmbeddingsJava_files/NodeEmbeddingsJava_19_0.png" width="600" alt="Communities and node embeddings of Java packages">
+<img src="./analysis-results/AxonFramework/latest/node-embeddings-java/NodeEmbeddingsJava_files/NodeEmbeddingsJava_21_0.png" width="600" alt="Communities and node embeddings of Java packages">
 
 ### Word Cloud of Git Authors