diff --git a/.gitignore b/.gitignore
index 9592128..f142aa4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ env
 debian
 cache/*
 !cache/.gitkeep
+nk.bin
diff --git a/README.md b/README.md
index b928c2d..8a1aed3 100644
--- a/README.md
+++ b/README.md
@@ -63,7 +63,9 @@ Build and make NK.bin
 
 2. Run `make ubuild` to build whole repository and generate `u-boot.bin`.
 
-3. To make `nk.bin`, run `make nkbin`.
+3. Run `make nkbin-maker`.
+
+4. To make `nk.bin`, run `make nk.bin`.
 
     - nkbin_maker packs `u-boot.bin` into `nk.bin`.