diff --git a/kernel/kalloc.c b/kernel/kalloc.c
index b880933..eddb272 100644
--- a/kernel/kalloc.c
+++ b/kernel/kalloc.c
@@ -46,6 +46,7 @@ kfree(void *pa)
 {
   struct run *r;
 
+  // Assert that page is a ligned to a page boundary and that its correctly sized
   if(((u64)pa % PGSIZE) != 0 || (char *)pa < end || (u64)pa >= PHYSTOP)
     panic("kfree");