diff --git a/src/dotnet/README.md b/src/dotnet/README.md
index 171b88ff..008da952 100644
--- a/src/dotnet/README.md
+++ b/src/dotnet/README.md
@@ -39,7 +39,7 @@ To enable HTTPS in ASP.NET, you can export a copy of your local dev certificate.
         "ASPNETCORE_Kestrel__Certificates__Default__Password": "SecurePwdGoesHere",
         "ASPNETCORE_Kestrel__Certificates__Default__Path": "${containerEnv:HOME}/.aspnet/https/aspnetapp.pfx",
     },
-    "portsAttributs": {
+    "portsAttributes": {
         "5001": {
             "protocol": "https"
         }