diff --git a/sdk/identity/azure-identity/inc/azure/identity/environment_credential.hpp b/sdk/identity/azure-identity/inc/azure/identity/environment_credential.hpp
index 8e9554a33..122a0f1b9 100644
--- a/sdk/identity/azure-identity/inc/azure/identity/environment_credential.hpp
+++ b/sdk/identity/azure-identity/inc/azure/identity/environment_credential.hpp
@@ -23,6 +23,14 @@ namespace Azure { namespace Identity {
   public:
     /**
      * Constructs an environment credential.
+     *
+     * @details May read from the following environment variables:
+     * - AZURE_TENANT_ID
+     * - AZURE_CLIENT_ID
+     * - AZURE_CLIENT_SECRET
+     * - AZURE_CLIENT_CERTIFICATE_PATH
+     * - AZURE_USERNAME
+     * - AZURE_PASSWORD
      */
     explicit EnvironmentCredential();