diff --git a/indepth/troubleshooting/debug.md b/indepth/troubleshooting/debug.md
index 9b73fc23..7420fff2 100644
--- a/indepth/troubleshooting/debug.md
+++ b/indepth/troubleshooting/debug.md
@@ -53,8 +53,8 @@ Afterwards, please send the dump files to [Dynamsoft Support Team]({{site.about}
 
 * dss.log --> For Dynamsoft Service
 * nw.log --> Details about the network traffic
-* wts.log --> For the client part of Dynamic Web TWAIN HTMl5 edition
-* wtss.log --> For the server part of Dynamic Web TWAIN HTMl5 edition
+* wts.log --> For the client part of Dynamic Web TWAIN HTML5 edition
+* wtss.log --> For the server part of Dynamic Web TWAIN HTML5 edition
 
 ### Q: What info do we see if Dynamic Web TWAIN SDK is not doing anything?