Fix image link

Author: fskpf

README.md

@@ -177,7 +177,7 @@ the [example notebooks](https://github.com/yWorks/yfiles-jupyter-graphs/blob/mai
 
 <table>
     <tr>
-        <td><a href="https://github.com/yWorks/yfiles-jupyter-graphs-for-sparql/blob/main/examples/configurations_example.ipynb"><img src="https://raw.githubusercontent.com/yWorks/yfiles-jupyter-graphs-for-sparql/refs/heads/main/images/coloredNodes_feature.png" title="Mapping visualization" alt="Mapping visualization"></a>
+        <td><a href="https://github.com/yWorks/yfiles-jupyter-graphs-for-sparql/blob/main/examples/configurations_example.ipynb"><img src="https://raw.githubusercontent.com/yWorks/yfiles-jupyter-graphs-for-sparql/refs/heads/main/images/coloredNodes.png" title="Mapping visualization" alt="Mapping visualization"></a>
         <a href="https://github.com/yWorks/yfiles-jupyter-graphs-for-sparql/blob/main/examples/configurations_example.ipynb">Mapping visualization</a><br><a target="_blank" href="https://colab.research.google.com/github/yWorks/yfiles-jupyter-graphs-for-sparql/blob/main/examples/configurations_example.ipynb"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a></td>
         <td><a href="https://github.com/yWorks/yfiles-jupyter-graphs-for-sparql/blob/main/examples/Getting_started.ipynb"><img src="https://raw.githubusercontent.com/yWorks/yfiles-jupyter-graphs-for-sparql/refs/heads/main/images/schemaBeatles.png" title="Schema visualization" alt="Schema visualization"></a>
         <a href="https://github.com/yWorks/yfiles-jupyter-graphs-for-sparql/blob/main/examples/Getting_started.ipynb">Schema visualization</a><br><a target="_blank" href="https://colab.research.google.com/github/yWorks/yfiles-jupyter-graphs-for-sparql/blob/main/examples/Getting_started.ipynb"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a></td>