Unable to see .exe and .dll file type in Git LFS setting page

Summary

After pushing .exe and .dll file type to repository using Git LFS, Git LFS page (Repo Settings>Git LFS) shows those files as Unknown

###Steps to Reproduce

1. Add the following code into .gitattributes
   *.exe filter=lfs diff=lfs merge=lfs -text
   *.dll filter=lfs diff=lfs merge=lfs -text
2. Add, commit push a file (.exe and .dll)
3. Navigate to Repo Settings>Git LFS

###Expected Results
Shows .exe or .dll as file type

###Actual Results
File type shows as Unknown