diff --git a/README.md b/README.md
index c2ffad8..6344e87 100644
--- a/README.md
+++ b/README.md
@@ -135,7 +135,7 @@ Make sure you also connect one of the HUB75 interfaces ground pins to a ground p
 
 Various people have created PCBs for which one can simply connect an ESP32 to a PCB, and then the PCB to the HUB75 connector, such as:
 
-* Brian Lough's [ESP32 I2S Matrix Shield](http://blough.ie/i2smat/)
+* Brian Lough's [ESP32 I2S Matrix Shield](https://github.com/rorosaurus/esp32-hub75-driver)
 * Charles Hallard's [WeMos Matrix Shield](https://github.com/hallard/WeMos-Matrix-Shield-DMA)
 * Bogdan Sass's [Morph Clock Shield](https://github.com/mrfaptastic/ESP32-HUB75-MatrixPanel-I2S-DMA/discussions/110#discussioncomment-861152)
 
diff --git a/src/ESP32-VirtualMatrixPanel-I2S-DMA.h b/src/ESP32-VirtualMatrixPanel-I2S-DMA.h
index a6b9d15..02a6886 100644
--- a/src/ESP32-VirtualMatrixPanel-I2S-DMA.h
+++ b/src/ESP32-VirtualMatrixPanel-I2S-DMA.h
@@ -97,6 +97,9 @@ public:
         virtualResX = vmodule_cols * _panelResX;
         virtualResY = vmodule_rows * _panelResY;
 
+	_virtualResX = virtualResX;
+	_virtualResY = virtualResY;
+	    
         dmaResX = panelResX * vmodule_rows * vmodule_cols - 1;
 
         /* Virtual Display width() and height() will return a real-world value. For example:
@@ -151,9 +154,10 @@ private:
     virtual VirtualCoords getCoords(int16_t x, int16_t y);
     VirtualCoords coords;
 
-    int16_t virtualResX;
-    int16_t virtualResY;
-	
+    int16_t virtualResX;	///< Display width as combination of panels
+    int16_t virtualResY;	///< Display height as combination of panels
+
+
 	int16_t _virtualResX;       ///< Display width as modified by current rotation
 	int16_t _virtualResY;       ///< Display height as modified by current rotation