diff --git a/.gitignore b/.gitignore
index af84076..db7b607 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 
 # Ignore compilation result
-bin/
\ No newline at end of file
+bin/
+.idea/
\ No newline at end of file
diff --git a/README.md b/README.md
index 9336705..86a9b6a 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,10 @@
 # docker-multi-arch-builder
 
-Golang program use to build multi architecture oci manifest. oci manifest support list layer content to reference image with different architecture
\ No newline at end of file
+Golang program use to build multi architecture oci manifest.
+oci manifest support list layer content to reference image with different architecture
+
+## Usage
+
+`docker-multi-arch-builder build -n registry-ui --platforms linux/arm/v6`
+
+use `docker-multi-arch-builder build --help` for more help