Update install.md

Author: LiangTheDev

diagnostics/install.md

@@ -17,7 +17,7 @@ There are four places where WV2's updater will write important details about any
 
 1. `C:\ProgramData\Microsoft\EdgeUpdate\Log\MicrosoftEdgeUpdate.log`
 2. `%localappdata%\Temp\MicrosoftEdgeUpdate.log`
-3. `C:\Windows\Temp\msedge_installer.log`
+3. `%temp%\msedge_installer.log`
 3. `%systemroot%\Temp\msedge_installer.log`
 
-Once you have these files, share them with the WV2 developer who is helping you.
+Once you have these files, share them with the WV2 developer who is helping you.