Editing Doom Textures Issue

[Senor Cacodemon]

When I was editing textues with Doomkids tutorial 

 I had run into an issue in which my texture had became black and white  can anyone here tell me why this is happening and fix it please.

[Rifleman]

Try checking these settings in Slade(top right corner), select Doom in Palette.

 

 

[Senor Cacodemon]

It works now so thanks

[Gez]

Or select a Doom IWAD as the base resource.