diff --git a/packages/gatsby-dev-cli/README.md b/packages/gatsby-dev-cli/README.md
index 6ccef520806a7..164758dd30454 100644
--- a/packages/gatsby-dev-cli/README.md
+++ b/packages/gatsby-dev-cli/README.md
@@ -53,4 +53,4 @@ flag, see https://github.com/gatsbyjs/gatsby/blob/master/scripts/publish-site.sh
 #### `--quiet`
 
 Don't output anything except for a quit message when used together with
-`--scan-one`.
+`--scan-once`.