diff --git a/index.html b/index.html
index cc30d8d..b061ebf 100644
--- a/index.html
+++ b/index.html
@@ -1344,17 +1344,18 @@
             pageIssues.forEach((issue, index) => {
                 const coords = issue.coordinates;
 
-                // Scale PDF coordinates to image pixels
-                // PDF coordinates are bottom-left origin, need to flip Y and scale
+                // Scale coordinates from PDF points to image pixels
+                // pdfplumber uses top-left origin (0,0 = top-left), same as SVG
+                // So NO Y-flipping needed, just scale!
                 const x0 = coords.x0 * scaleFactor;
+                const y0 = coords.y0 * scaleFactor;  // coords.y0 is 'top' from pdfplumber
                 const x1 = coords.x1 * scaleFactor;
-                const y0 = imgHeight - (coords.y1 * scaleFactor); // Flip Y
-                const y1 = imgHeight - (coords.y0 * scaleFactor); // Flip Y
+                const y1 = coords.y1 * scaleFactor;  // coords.y1 is 'bottom' from pdfplumber
 
                 const width = x1 - x0;
                 const height = y1 - y0;
 
-                console.log(`Issue ${index + 1}: PDF coords (${coords.x0}, ${coords.y0}) → Screen (${x0.toFixed(0)}, ${y0.toFixed(0)}), size: ${width.toFixed(0)}x${height.toFixed(0)}`);
+                console.log(`Issue ${index + 1}: PDF (${coords.x0}, ${coords.y0}, ${coords.x1}, ${coords.y1}) → Pixels (${x0.toFixed(0)}, ${y0.toFixed(0)}, ${x1.toFixed(0)}, ${y1.toFixed(0)}), size: ${width.toFixed(0)}x${height.toFixed(0)}`);
 
                 // Color based on severity
                 let strokeColor, fillColor;