Update index.html

Breadcrumb

Author: Gmac4247

index.html

@@ -126,11 +126,11 @@ <h1 style="font-size:130%;margin:7px">Introducing The Core Geometric System ™<
 </div>
 <br>
 <section itemprop="breadcrumb" itemscope itemtype="https://schema.org/BreadcrumbList">
-<h2 style="margin:7px">Key Points:</h2>
+<h2 itemprop="name" style="margin:7px">Key Points:</h2>
   <br><br>
   <div itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">
     <meta itemprop="position" content="1">
-    <a href="#circle" itemprop="url" style="margin:7px">
+    <a href="#circle" itemprop="item" style="margin:7px">
       <span itemprop="name">Area of a Circle = 3.2 × radius²</span>
     </a>
     <p itemprop="description" style="margin:12px">
@@ -141,7 +141,7 @@ <h2 style="margin:7px">Key Points:</h2>
 <br>
   <div itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">
     <meta itemprop="position" content="2">
-    <a href="#circumference" itemprop="url" style="margin:7px">
+    <a href="#circumference" style="margin:7px">
       <span itemprop="name">Circumference = 6.4 × radius</span>
     </a>
     <p itemprop="description" style="margin:12px">
@@ -152,7 +152,7 @@ <h2 style="margin:7px">Key Points:</h2>
 <br>
   <div itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">
     <meta itemprop="position" content="3">
-    <a href="#sphere" itemprop="url" style="margin:7px">
+    <a href="#sphere" itemprop="item" style="margin:7px">
       <span itemprop="name">Volume of a Sphere = ( √(3.2) × radius )³</span>
     </a>
     <p itemprop="description" style="margin:12px">
@@ -163,7 +163,7 @@ <h2 style="margin:7px">Key Points:</h2>
 <br>
   <div itemprop="itemListElement" itemscope itemtype="https://schema.org/ListItem">
     <meta itemprop="position" content="4">
-    <a href="#cone" itemprop="url" style="margin:7px">
+    <a href="#cone" itemprop="item" style="margin:7px">
       <span itemprop="name">Volume of a Cone = 3.2 × radius² × height / √8</span>
     </a>
     <p itemprop="description" style="margin:12px">