diff --git a/README.md b/README.md
index b9a03b2..3af9d90 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ Since there's currently no compiler support for this attribute (I've [submitted
 
 ## Usage
 
-Just add the package and define `InternalsAssemblyName` items with the assemblies you need access to.
+Just add the package and define `IgnoresAccessChecksTo` items with the assemblies you need access to.
 
 ```xml
 <Project Sdk="Microsoft.NET.Sdk">