diff --git a/README.md b/README.md
index f0c2a1a..cbad903 100644
--- a/README.md
+++ b/README.md
@@ -83,7 +83,7 @@ Update the RPM spec %changelog appropriately.
 ## (Preferred) Perform a scratch-build on at least one architecture
 
 ```
-fedpkg scratch-build [--arches x86_64] --srpm
+fedpkg scratch-build [--arch x86_64] --srpm
 ```
 
 Verify that it built successfully.