Update jellyCTF writeups.md

src/content/blog/jellyCTF writeups.md

@@ -595,7 +595,7 @@ flag: `jellyCTF{1337code_0n_str34m}`
 
 ## crypto: you're_based
 I decoded the base64 to 
-```
+```html
 That was just a warm up. Here is the actual flag, though you may need a base that's 'A' bit larger:
 驪ꍬ硹答𓉻晨鑳橩ꅟ𓅵鑴鑡楢晳鑣𔕡𔕡𔕡𓁡𓍭𠍰
 ```