Update README.md

jfullstackdev · web-flow · commit 14324f47764f · 2024-07-28T22:34:01.000+08:00
diff --git a/README.md b/README.md
@@ -90,7 +90,7 @@ It's the same thing for the computer.
 
 ### Hello World Program
 
-```
+```c
 #include <stdio.h>
 
 int main() {
