diff --git a/modules/aws_ec2_standalone/README.md b/modules/aws_ec2_standalone/README.md
index 37b2550..2c5a9e3 100644
--- a/modules/aws_ec2_standalone/README.md
+++ b/modules/aws_ec2_standalone/README.md
@@ -116,4 +116,4 @@ egress_rules = [
 ]
 ```
 
-By default, this module creates a publicly-accessible security group that enables inbound traffic on ports (`30`, `443`, `22`, and `3000`) and all outbound traffic.
+By default, this module creates a publicly accessible security group that enables inbound traffic on ports (`80`, `443`, `22`, and `3000`) and all outbound traffic.