diff --git a/_posts/2015-08-18-multiboot-kernel.md b/_posts/2015-08-18-multiboot-kernel.md
index 80013485..310d8ddb 100644
--- a/_posts/2015-08-18-multiboot-kernel.md
+++ b/_posts/2015-08-18-multiboot-kernel.md
@@ -186,7 +186,7 @@ isofiles
     └── kernel.bin
 
 ```
-The `grub.cfg` specifies the file name of our kernel and it's Multiboot 2 compliance. It looks like this:
+The `grub.cfg` specifies the file name of our kernel and its Multiboot 2 compliance. It looks like this:
 
 ```
 set timeout=0
@@ -265,9 +265,9 @@ run: $(iso)
 
 iso: $(iso)
 
-$(iso): $(kernel)
+$(iso): $(kernel) $(grub_cfg)
     @mkdir -p build/isofiles/boot/grub
-    @cp $(kernel) build/isofiles/boot/
+    @cp $(kernel) build/isofiles/boot/kernel.bin
     @cp $(grub_cfg) build/isofiles/boot/grub
     @grub-mkrescue -o $(iso) build/isofiles 2> /dev/null
     @rm -r build/isofiles