Update index.html

Author: Gmac4247

index.html

@@ -277,9 +277,9 @@
 {
      "@type": "SolveMathAction",
 	"name": "Volume of a sphere",
-	 "description": "The exact volume of a sphere by directly comparing it to a cube. Direct shape relationships ensure greater accuracy in real-world measurements.",
-    "disambiguatingDescription": "More accurate than the traditional exhaustion method based formula which is a very rough underestimate.",
-   "target": "https://basic-geometry.github.io/",
+	 "description": "The exact volume of a sphere by directly comparing it to a cube.",
+    "disambiguatingDescription": "More accurate than the traditional 4 × π × r³ / 3 formula.",
+"target": "https://basic-geometry.github.io/",
      "mathExpression-input": "required name=r=3_V=?",
      "mathExpression-output": "Math.pow((Math.sqrt(3.2) * radius), 3)", 
      "abstract": "A sphere is a 3 dimensional solid shape. Its measurable property is its diameter. Its radius is half of the diameter. Its projection is a circle. Related shapes are circle, cylinder, cube and cone.",