diff --git a/README.md b/README.md
index 8d92e45..13129d7 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,7 @@
 # dockerfiles
-Dockerfiles for Fish and Oh My Fish
+
+> Dockerfiles for Fish and Oh My Fish
+
+### Build new version
+
+    make build fish_version=3.0.2
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