diff --git a/chart-sdk/angular/heatmap-charts/accessibility.md b/chart-sdk/angular/heatmap-chart/accessibility.md
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rename from chart-sdk/angular/heatmap-charts/accessibility.md
rename to chart-sdk/angular/heatmap-chart/accessibility.md
diff --git a/chart-sdk/angular/heatmap-charts/appearance.md b/chart-sdk/angular/heatmap-chart/appearance.md
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rename from chart-sdk/angular/heatmap-charts/appearance.md
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diff --git a/chart-sdk/angular/heatmap-charts/axis.md b/chart-sdk/angular/heatmap-chart/axis.md
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rename to chart-sdk/angular/heatmap-chart/axis.md
diff --git a/chart-sdk/angular/heatmap-charts/bubble-heatmap.md b/chart-sdk/angular/heatmap-chart/bubble-heatmap.md
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diff --git a/chart-sdk/angular/heatmap-charts/dimensions.md b/chart-sdk/angular/heatmap-chart/dimensions.md
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rename to chart-sdk/angular/heatmap-chart/dimensions.md
diff --git a/chart-sdk/angular/heatmap-charts/ej1-api-migration.md b/chart-sdk/angular/heatmap-chart/ej1-api-migration.md
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rename from chart-sdk/angular/heatmap-charts/ej1-api-migration.md
rename to chart-sdk/angular/heatmap-chart/ej1-api-migration.md
diff --git a/chart-sdk/angular/heatmap-charts/events.md b/chart-sdk/angular/heatmap-chart/events.md
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diff --git a/chart-sdk/angular/heatmap-charts/getting-started.md b/chart-sdk/angular/heatmap-chart/getting-started.md
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diff --git a/chart-sdk/angular/heatmap-charts/how-to/legend-customization.md b/chart-sdk/angular/heatmap-chart/how-to/legend-customization.md
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diff --git a/chart-sdk/angular/heatmap-charts/how-to/tooltip-template.md b/chart-sdk/angular/heatmap-chart/how-to/tooltip-template.md
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diff --git a/chart-sdk/angular/heatmap-charts/legend.md b/chart-sdk/angular/heatmap-chart/legend.md
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diff --git a/chart-sdk/angular/heatmap-charts/palette.md b/chart-sdk/angular/heatmap-chart/palette.md
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diff --git a/chart-sdk/angular/heatmap-charts/rendering-mode.md b/chart-sdk/angular/heatmap-chart/rendering-mode.md
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diff --git a/chart-sdk/angular/heatmap-charts/selection.md b/chart-sdk/angular/heatmap-chart/selection.md
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diff --git a/chart-sdk/angular/heatmap-charts/title.md b/chart-sdk/angular/heatmap-chart/title.md
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diff --git a/chart-sdk/angular/heatmap-charts/tooltip.md b/chart-sdk/angular/heatmap-chart/tooltip.md
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diff --git a/chart-sdk/angular/heatmap-charts/working-with-data.md b/chart-sdk/angular/heatmap-chart/working-with-data.md
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rename from chart-sdk/angular/heatmap-charts/working-with-data.md
rename to chart-sdk/angular/heatmap-chart/working-with-data.md
diff --git a/chart-toc.html b/chart-toc.html
index 67500cfbb..ecfe2a4a6 100644
--- a/chart-toc.html
+++ b/chart-toc.html
@@ -803,29 +803,29 @@
        <li><a href="https://ej2.syncfusion.com/angular/documentation/api/linear-gauge/">API Reference</a></li>
     </ul>
 </li>
-<li>HeatMap Charts
+<li>HeatMap Chart
 <ul>
-       <li><a href="/chart-sdk/angular/heatmap-charts/getting-started">Getting Started</a></li>
-       <li><a href="/chart-sdk/angular/heatmap-charts/working-with-data">Working With Data</a></li>
-       <li><a href="/chart-sdk/angular/heatmap-charts/bubble-heatmap">Bubble HeatMap</a></li>
-       <li><a href="/chart-sdk/angular/heatmap-charts/rendering-mode">Rendering Mode</a></li>
-       <li><a href="/chart-sdk/angular/heatmap-charts/axis">Axis</a></li>
-       <li><a href="/chart-sdk/angular/heatmap-charts/palette">Palette</a></li>
-       <li><a href="/chart-sdk/angular/heatmap-charts/legend">Legend</a></li>
-       <li><a href="/chart-sdk/angular/heatmap-charts/appearance">Appearance</a></li>
-       <li><a href="/chart-sdk/angular/heatmap-charts/dimensions">Dimensions</a></li>
-       <li><a href="/chart-sdk/angular/heatmap-charts/tooltip">Tooltip</a></li>
-	   <li><a href="/chart-sdk/angular/heatmap-charts/title">Title</a></li>
-       <li><a href="/chart-sdk/angular/heatmap-charts/selection">Selection</a></li>
-       <li><a href="/chart-sdk/angular/heatmap-charts/accessibility">Accessibility</a></li>
-       <li><a href="/chart-sdk/angular/heatmap-charts/events">Events</a></li>
+       <li><a href="/chart-sdk/angular/heatmap-chart/getting-started">Getting Started</a></li>
+       <li><a href="/chart-sdk/angular/heatmap-chart/working-with-data">Working With Data</a></li>
+       <li><a href="/chart-sdk/angular/heatmap-chart/bubble-heatmap">Bubble HeatMap</a></li>
+       <li><a href="/chart-sdk/angular/heatmap-chart/rendering-mode">Rendering Mode</a></li>
+       <li><a href="/chart-sdk/angular/heatmap-chart/axis">Axis</a></li>
+       <li><a href="/chart-sdk/angular/heatmap-chart/palette">Palette</a></li>
+       <li><a href="/chart-sdk/angular/heatmap-chart/legend">Legend</a></li>
+       <li><a href="/chart-sdk/angular/heatmap-chart/appearance">Appearance</a></li>
+       <li><a href="/chart-sdk/angular/heatmap-chart/dimensions">Dimensions</a></li>
+       <li><a href="/chart-sdk/angular/heatmap-chart/tooltip">Tooltip</a></li>
+	   <li><a href="/chart-sdk/angular/heatmap-chart/title">Title</a></li>
+       <li><a href="/chart-sdk/angular/heatmap-chart/selection">Selection</a></li>
+       <li><a href="/chart-sdk/angular/heatmap-chart/accessibility">Accessibility</a></li>
+       <li><a href="/chart-sdk/angular/heatmap-chart/events">Events</a></li>
        <li>How to
          <ul>
-           <li><a href="/chart-sdk/angular/heatmap-charts/how-to/tooltip-template">Create a table in tooltip</a></li>
-           <li><a href="/chart-sdk/angular/heatmap-charts/how-to/legend-customization">Legend label customization</a></li>
+           <li><a href="/chart-sdk/angular/heatmap-chart/how-to/tooltip-template">Create a table in tooltip</a></li>
+           <li><a href="/chart-sdk/angular/heatmap-chart/how-to/legend-customization">Legend label customization</a></li>
          </ul>
         </li>
-        <li><a href="/chart-sdk/angular/heatmap-charts/ej1-api-migration">EJ1 API</a></li>
+        <li><a href="/chart-sdk/angular/heatmap-chart/ej1-api-migration">EJ1 API</a></li>
         <li><a href="https://ej2.syncfusion.com/angular/documentation/api/heatmap/">API Reference</a></li>
      </ul>
 </li>