Update use-wia-insteadof-wiatwain.md

Author: lunaaaw

faq/use-wia-insteadof-wiatwain.md

@@ -24,17 +24,18 @@ Compared with TWAIN, the WIA protocol is built-in supported by Windows OS. No ex
 WIA offers standardized hardware compatibility and a stable driver environment, making it easier to integrate imaging capabilities into the web scanning applications. 
 
 
-### Difference between `WIASCANNER` and `WIATWAINSCANNER`
+### Difference between WIASCANNER and WIATWAINSCANNER
 
-We add a new Enumaration `WIASCANNER` to [`Dynamsoft.DWT.EnumDWT_DeviceType`](https://www.dynamsoft.com/web-twain/docs/info/api/Dynamsoft_Enum.html?ver=latest&&cVer=true#dynamsoftdwtenumdwt_devicetype) to support WIA protocol. There is another Enumaration named `WIATWAINSCANNER` which is a WIA Source mapped through the TWAIN protocol after packaging by Microsoft and it was used to support WIA in the previous version.
+
+We add a new Enumaration `WIASCANNER` to [Dynamsoft.DWT.EnumDWT_DeviceType](https://www.dynamsoft.com/web-twain/docs/info/api/Dynamsoft_Enum.html?ver=latest&&cVer=true#dynamsoftdwtenumdwt_devicetype) to support WIA protocol. There is another Enumaration named `WIATWAINSCANNER` which is a WIA Source mapped through the TWAIN protocol after packaging by Microsoft and it was used to support WIA in the previous version.
 
 If you are using `WIATWAINSCANNER` before and would like to use `WIASCANNER` from version 18.2 instead, you need to modify the APIs used in your code accordingly.
 
-| `WIASCANNER` | `WIATWAINSCANNER`|
+| WIASCANNER | WIATWAINSCANNER |
 |:-|:-|
 | [GetDeviceAsync()](https://www.dynamsoft.com/web-twain/docs/info/api/WebTwain_Acquire.html#getdevicesasync) | [GetSourceNames()](https://www.dynamsoft.com/web-twain/docs/info/api/WebTwain_Acquire.html#getsourcenames), [GetSourceNamesAsync()](https://www.dynamsoft.com/web-twain/docs/info/api/WebTwain_Acquire.html#getsourcenamesasync)|
 | [SelectDeviceAsync()](https://www.dynamsoft.com/web-twain/docs/info/api/WebTwain_Acquire.html#selectdeviceasync) | [SelectSourceByIndex()](https://www.dynamsoft.com/web-twain/docs/info/api/WebTwain_Acquire.html#selectsourcebyindex), [SelectSourceByIndexAsync()](https://www.dynamsoft.com/web-twain/docs/info/api/WebTwain_Acquire.html#selectsourcebyindexasync) |
 | [SelectSourceAsync()](https://www.dynamsoft.com/web-twain/docs/info/api/WebTwain_Acquire.html#selectsourceasync) | [SelectSource()](https://www.dynamsoft.com/web-twain/docs/info/api/WebTwain_Acquire.html#selectsource) |
 | [AcquireImageAsync()](https://www.dynamsoft.com/web-twain/docs/info/api/WebTwain_Acquire.html#acquireimageasync) | [AcquireImage()](https://www.dynamsoft.com/web-twain/docs/info/api/WebTwain_Acquire.html#acquireimage) |
 
-*`WIATWAINSCANNER` is still available.*
+*`WIATWAINSCANNER` is still available in version 18.2.*