diff --git a/README.md b/README.md
index a63c26e..21b9164 100644
--- a/README.md
+++ b/README.md
@@ -112,7 +112,6 @@ $ psi --help
     --key          Google API Key. By default the free tier is used.
     --strategy     Strategy to use when analyzing the page: mobile|desktop
     --format       Output format: cli|json|tap
-    --screenshot   jpg screenshot
     --locale       Locale results should be generated in.
     --threshold    Threshold score to pass the PageSpeed test.
     --optimized    Get the URL of optimized resources.