diff --git a/README.md b/README.md
index 6a8b2bf..1bcbfdd 100644
--- a/README.md
+++ b/README.md
@@ -37,7 +37,9 @@ task can be added to handle the keys installation:
 ```ruby
 namespace :app do
   task :update_rvm_key do
-    execute :gpg, "--keyserver hkp://keys.gnupg.net --recv-keys D39DC0E3"
+    on roles(:app) do
+      execute :gpg, "--keyserver hkp://keys.gnupg.net --recv-keys D39DC0E3"
+    end
   end
 end
 before "rvm1:install:rvm", "app:update_rvm_key"