diff --git a/README.md b/README.md
index 365c1f8..da9982e 100644
--- a/README.md
+++ b/README.md
@@ -55,6 +55,7 @@ $ gobang
 ```
 
 ```
+$ gobang -h
 USAGE:
     gobang [OPTIONS]
 
diff --git a/resources/gobang.gif b/resources/gobang.gif
index 5c1f498..ba3ac39 100644
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