diff --git a/HeterogeneousCore/AlpakaCore/README.md b/HeterogeneousCore/AlpakaCore/README.md
index a658e1e578f57..4dd972ab2c863 100644
--- a/HeterogeneousCore/AlpakaCore/README.md
+++ b/HeterogeneousCore/AlpakaCore/README.md
@@ -342,7 +342,7 @@ namespace ALPAKA_ACCELERATOR_NAMESPACE {
     }
 
   private:
-    edm::ESGetToken<SimpleProduct, TestRecord> token_;
+    device::ESGetToken<SimpleProduct, TestRecord> token_;
     
     OtherAlgo algo_;
   };