diff --git a/apps/docs/content/guides/platform/manage-your-usage/edge-function-invocations.mdx b/apps/docs/content/guides/platform/manage-your-usage/edge-function-invocations.mdx
index db31cb0d456..9109b2d3261 100644
--- a/apps/docs/content/guides/platform/manage-your-usage/edge-function-invocations.mdx
+++ b/apps/docs/content/guides/platform/manage-your-usage/edge-function-invocations.mdx
@@ -5,7 +5,7 @@ title: 'Manage Edge Function Invocations usage'
 
 ## What you are charged for
 
-You are charged for the number of times your functions get invoked, regardless of the response status code.
+You are charged for the number of times your functions get invoked, regardless of the response status code. Preflight (OPTIONS) requests are not billed.
 
 ## How charges are calculated