diff --git a/PROTOCOL.md b/PROTOCOL.md
index 73c2aec7..ab792984 100644
--- a/PROTOCOL.md
+++ b/PROTOCOL.md
@@ -590,7 +590,7 @@ struct limine_framebuffer {
 `modes` is an array of `mode_count` pointers to `struct limine_video_mode` describing the
 available video modes for the given framebuffer.
 
-```
+```c
 struct limine_video_mode {
     uint64_t pitch;
     uint64_t width;