diff --git a/nvidia/live-vlm-webui/README.md b/nvidia/live-vlm-webui/README.md
index 86a71d8..26985bc 100644
--- a/nvidia/live-vlm-webui/README.md
+++ b/nvidia/live-vlm-webui/README.md
@@ -168,7 +168,7 @@ live-vlm-webui --port 8091
 live-vlm-webui --ssl-cert /path/to/cert.pem --ssl-key /path/to/key.pem
 
 ## Change default API endpoint
-live-vlm-webui --default-api-base http://localhost:8000/v1
+live-vlm-webui --api-base http://localhost:8000/v1
 
 ## Run in background (optional)
 nohup live-vlm-webui > live-vlm.log 2>&1 &
diff --git a/nvidia/portfolio-optimization/README.md b/nvidia/portfolio-optimization/README.md
index 22e762d..6158348 100644
--- a/nvidia/portfolio-optimization/README.md
+++ b/nvidia/portfolio-optimization/README.md
@@ -185,7 +185,6 @@ Once you're comfortable with this foundational workflow, please explore these ad
 
 For questions or issues, please visit:
 - [GitHub Issues](https://github.com/NVIDIA-AI-Blueprints/quantitative-portfolio-optimization/issues)
-- [GitHub Discussions](https://github.com/NVIDIA-AI-Blueprints/quantitative-portfolio-optimization/discussions)
 
 ## Troubleshooting