diff --git a/docs/resources/spo/SPO-open-ended _task_figure.png b/docs/resources/spo/SPO-open_ended_task_figure.png
similarity index 100%
rename from docs/resources/spo/SPO-open-ended _task_figure.png
rename to docs/resources/spo/SPO-open_ended_task_figure.png
diff --git a/examples/spo/README.md b/examples/spo/README.md
index e52309c2f..9ea2ee70b 100644
--- a/examples/spo/README.md
+++ b/examples/spo/README.md
@@ -30,7 +30,7 @@ ###  Closed Tasks
 
 ### Open-ended Tasks
 <p align="center">
-<a href=""><img src="../../docs/resources/spo/SPO-open-ended _task_figure.png" alt="Open-ended task figure" title="Open-ended task figure <sub>1</sub>" width="80%"></a>
+<a href=""><img src="../../docs/resources/spo/SPO-open_ended_task_figure.png" alt="Open-ended task figure" title="Open-ended task figure <sub>1</sub>" width="80%"></a>
 </p>
 
 *SPO significantly improves model performance across all model configurations in open-ended tasks.*