Update components/stockchart/labels-template-and-format.md

Co-authored-by: Tsvetomir Hristov <[email protected]>

Author: ntacheva

components/stockchart/labels-template-and-format.md

@@ -59,7 +59,7 @@ Standard number format strings and rotate the labels of the Category Axis
     <StockChartNavigator>
         <StockChartNavigatorCategoryAxis>
             <StockChartNavigatorCategoryAxisLabels>
-                <StockChartNavigatorCategoryAxisLabels Format="dd MMM yyyy"></StockChartNavigatorCategoryAxisLabels>
+                <StockChartNavigatorCategoryAxisLabels Format="dd MMM yyyy"/>
             </StockChartNavigatorCategoryAxisLabels>
         </StockChartNavigatorCategoryAxis>