Update index.html

Author: Gmac4247

index.html

@@ -137,7 +137,7 @@ <h2 style="margin:7px">Key Points:</h2>
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-<a itemscope itemtype="http://schema.org/ListItem" style="margin:7px" href="#cone"><span itemprop="name">Volume of a Cone = 3.2 × radius² × height / √8</span></a>
+<a style="margin:7px" href="#cone"><span itemprop="name">Volume of a Cone = 3.2 × radius² × height / √8</span></a>
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 <p style="margin:12px" itemprop="description">Compared to an octant sphere through a quadrant cylinder.</strong></p>
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