diff --git a/include/libString.h b/include/libString.h
index d848706..1a560b6 100644
--- a/include/libString.h
+++ b/include/libString.h
@@ -43,4 +43,4 @@
 extern char	*s_rdinstack(Sinstack*, String*);
 extern Sinstack	*s_allocinstack(char*);
 extern void	s_freeinstack(Sinstack*);
-#endif BGETC
+#endif /* BGETC */