Update numbers when marker is hovered on and then loses focus

js/src/guitar-diagrams-web-component.mjs

@@ -832,6 +832,19 @@ class GuitarDiagramsWebComponent extends HTMLElement {
                 canvas.fillStyle = marker.colorFill;
                 this.#drawMarkerCircle(marker.relativePosX, marker.relativePosY);
                 canvas.closePath();
+
+                canvas.beginPath();
+                canvas.fillStyle = marker.colorFont;
+                canvas.textAlign = "center";
+                canvas.textBaseline = "middle";
+                canvas.font = this.#scale(this.#config.markerFontSize) + "px Arial";
+                canvas.fillText(
+                  marker.text,
+                  marker.relativePosX,
+                  marker.relativePosY + this.#scale(this.#config.markerStrokeWidth),
+                );
+                canvas.fill();
+                canvas.closePath();
               }
             }
           });