diff --git a/libterminal/terminal.h b/libterminal/terminal.h
index a1d536a..9aa1657 100644
--- a/libterminal/terminal.h
+++ b/libterminal/terminal.h
@@ -4,8 +4,10 @@
 #include <m/terminal_device.h>
 #include <stddef.h>
 
+/* ID of kernel terminal device */
 #define TERMINAL_DEVICE 1
 
+/* Print a string onto a graphical terminal. Prints len chars */
 void terminal_print (const char* string, size_t len);
 
 #endif // _LIBTERMINAL_TERMINAL_TERMINAL_H