Update tutorials/celestia-da.md

Co-authored-by: joshcs.eth <46639943+jcstein@users.noreply.github.com>

Author: yarikbratashchuk

tutorials/celestia-da.md

@@ -72,7 +72,7 @@ echo -e "\n Your DA AUTH_TOKEN is $AUTH_TOKEN \n"
 
 The output would look like this:
 
-```
+```bash
  Your DA AUTH_TOKEN is eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJBbGxvdyI6WyJwdWJsaWMiLCJyZWFkIiwid3JpdGUiXX0.cSrJjpfUdTNFtzGho69V0D_8kyECn9Mzv8ghJSpKRDE
 ```