Update difference-between-bestspeed-and-bestcoverage.md

Author: yqz5625

programming/javascript/faq/difference-between-bestspeed-and-bestcoverage.md

@@ -10,12 +10,13 @@ needAutoGenerateSidebar: false
 
 [<< Back to FAQ index](index.md)
 
-`speed`, as the name suggests, prioritizes time cost over the accuracy of the results, and `coverage` is vice versa.
+`SpeedFirst`, as the name suggests, prioritizes time cost over the accuracy of the results, and `ReadRateFirst` is vice versa.
 
-`balance` is the perfect middle ground between `speed` and `coverage`. 
+`Balance` is the perfect middle ground between `SpeedFirst` and `ReadRateFirst`. 
 
-Lastly, the `single` template is optimized for interactive video scenarios, and is the default mode when using the `BarcodeScanner` class.
+Lastly, the `Single` template is optimized for interactive video scenarios, and is the default mode.
+
+To choose the proper template that you want the SDK to utilize and learn about some of the other templates we offer, please use the [PresetTemplate](https://www.dynamsoft.com/capture-vision/docs/web/programming/javascript/api-reference/capture-vision-router/preset-templates.html?product=dbr&lang=javascript).
 
 In terms of the individual settings, if you would like to learn of the exact breakdown between the different templates, please contact the [Dynamsoft support team](https://www.dynamsoft.com/contact/).
 
-To choose the runtime settings template that you want the SDK to utilize and learn about some of the other templates we offer, please use the [updateRuntimeSettings](https://www.dynamsoft.com/barcode-reader/programming/javascript/api-reference/BarcodeReader.html#updateruntimesettings) method.